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Home Referees Drew Klemp

Drew Klemp

Football Referee · 2022-2026 · 6 competitions · 48 career matches

48 Matches
6 Competitions
4.88 Yellows / Game
0.21 Reds / Game
234 Total Yellows
10 Total Reds

Career by Competition

6 competitions
Competition Apps Yel / G Red / G BTB %
MLS Next Pro United States 23 100 4.35 3 0.13 91%
USL League One United States 13 78 6.00 6 0.46 85%
USL Championship United States 6 32 5.33 1 0.17 83%
US Open Cup United States 2 10 5.00 0 0.00 100%
USL League One Cup United States 2 10 5.00 0 0.00 100%
USL Super League Women United States 2 4 2.00 0 0.00 50%

Most Officiated Teams

Top 12
Minnesota United II 5 apps
Richmond Kickers 4 apps
Sporting Kansas City II 4 apps
St. Louis City II 4 apps
Union Omaha 3 apps
Forward Madison 3 apps
Orlando City II 3 apps
Austin II 3 apps
Fort Wayne 2 apps
Chattanooga Red Wolves 2 apps
Las Vegas Lights 2 apps
Houston Dynamo FC II 2 apps

USL League One 2026

6 matches recorded · United States

Card Summary

Yellow Cards 33
Red Cards 3
Yellows / Game 5.50
Reds / Game 0.50

Cards by Half

1st Half Cards 10
2nd Half Cards 21
1H / Game 1.67
2H / Game 3.50

Home vs Away

Home Cards 14
Away Cards 19
Home / Game 2.33
Away / Game 3.17

Both Teams Booked

BTB Total 5 / 6
BTB % 83%
BTB 1H % 50%
BTB 2H % 67%

Over Yellow Cards

O 0.5
83%
O 1.5
83%
O 2.5
83%
O 3.5
83%
O 4.5
83%
O 5.5
67%

Over Cards - 1st Half

O 0.5
67%
O 1.5
50%
O 2.5
50%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
83%
O 1.5
83%
O 2.5
83%
O 3.5
50%

Over Home Team Cards

O 0.5
83%
O 1.5
83%
O 2.5
50%

Over Away Team Cards

O 0.5
83%
O 1.5
83%
O 2.5
67%

Result Distribution

Home Win 0%
Draw 17%
Away Win 83%
0%
17%
83%
Home Draw Away

US Open Cup 2026

1 matches recorded · United States

Card Summary

Yellow Cards 3
Red Cards 0
Yellows / Game 3.00
Reds / Game 0.00

Cards by Half

1st Half Cards 2
2nd Half Cards 1
1H / Game 2.00
2H / Game 1.00

Home vs Away

Home Cards 1
Away Cards 2
Home / Game 1.00
Away / Game 2.00

Both Teams Booked

BTB Total 1 / 1
BTB % 100%
BTB 1H % 0%
BTB 2H % 0%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
0%
O 4.5
0%
O 5.5
0%

Over Cards - 1st Half

O 0.5
100%
O 1.5
100%
O 2.5
0%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
100%
O 1.5
0%
O 2.5
0%
O 3.5
0%

Over Home Team Cards

O 0.5
100%
O 1.5
0%
O 2.5
0%

Over Away Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
0%

Result Distribution

Home Win 100%
Draw 0%
Away Win 0%
100%
0%
0%
Home Draw Away

USL League One Cup 2026

1 matches recorded · United States

Card Summary

Yellow Cards 6
Red Cards 0
Yellows / Game 6.00
Reds / Game 0.00

Cards by Half

1st Half Cards 3
2nd Half Cards 3
1H / Game 3.00
2H / Game 3.00

Home vs Away

Home Cards 3
Away Cards 3
Home / Game 3.00
Away / Game 3.00

Both Teams Booked

BTB Total 1 / 1
BTB % 100%
BTB 1H % 100%
BTB 2H % 100%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%
O 4.5
100%
O 5.5
100%

Over Cards - 1st Half

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
0%

Over Home Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%

Over Away Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%

Result Distribution

Home Win 0%
Draw 0%
Away Win 100%
0%
0%
100%
Home Draw Away

USL Championship 2026

3 matches recorded · United States

Card Summary

Yellow Cards 20
Red Cards 0
Yellows / Game 6.67
Reds / Game 0.00

Cards by Half

1st Half Cards 3
2nd Half Cards 17
1H / Game 1.00
2H / Game 5.67

Home vs Away

Home Cards 10
Away Cards 10
Home / Game 3.33
Away / Game 3.33

Both Teams Booked

BTB Total 3 / 3
BTB % 100%
BTB 1H % 0%
BTB 2H % 100%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%
O 4.5
100%
O 5.5
67%

Over Cards - 1st Half

O 0.5
100%
O 1.5
0%
O 2.5
0%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%

Over Home Team Cards

O 0.5
100%
O 1.5
67%
O 2.5
67%

Over Away Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
67%

Result Distribution

Home Win 0%
Draw 67%
Away Win 33%
0%
67%
33%
Home Draw Away

MLS Next Pro 2026

8 matches recorded · United States

Card Summary

Yellow Cards 35
Red Cards 2
Yellows / Game 4.38
Reds / Game 0.25

Cards by Half

1st Half Cards 13
2nd Half Cards 21
1H / Game 1.63
2H / Game 2.63

Home vs Away

Home Cards 15
Away Cards 20
Home / Game 1.88
Away / Game 2.50

Both Teams Booked

BTB Total 8 / 8
BTB % 100%
BTB 1H % 50%
BTB 2H % 75%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
75%
O 3.5
63%
O 4.5
63%
O 5.5
38%

Over Cards - 1st Half

O 0.5
75%
O 1.5
50%
O 2.5
25%
O 3.5
13%

Over Cards - 2nd Half

O 0.5
88%
O 1.5
88%
O 2.5
50%
O 3.5
25%

Over Home Team Cards

O 0.5
100%
O 1.5
63%
O 2.5
25%

Over Away Team Cards

O 0.5
100%
O 1.5
75%
O 2.5
63%

Result Distribution

Home Win 75%
Draw 0%
Away Win 25%
75%
0%
25%
Home Draw Away

USL Super League Women 2025/2026

2 matches recorded · United States

Card Summary

Yellow Cards 4
Red Cards 0
Yellows / Game 2.00
Reds / Game 0.00

Cards by Half

1st Half Cards 2
2nd Half Cards 2
1H / Game 1.00
2H / Game 1.00

Home vs Away

Home Cards 2
Away Cards 2
Home / Game 1.00
Away / Game 1.00

Both Teams Booked

BTB Total 1 / 2
BTB % 50%
BTB 1H % 50%
BTB 2H % 50%

Over Yellow Cards

O 0.5
50%
O 1.5
50%
O 2.5
50%
O 3.5
50%
O 4.5
0%
O 5.5
0%

Over Cards - 1st Half

O 0.5
50%
O 1.5
50%
O 2.5
0%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
50%
O 1.5
50%
O 2.5
0%
O 3.5
0%

Over Home Team Cards

O 0.5
50%
O 1.5
50%
O 2.5
0%

Over Away Team Cards

O 0.5
50%
O 1.5
50%
O 2.5
0%

Result Distribution

Home Win 50%
Draw 0%
Away Win 50%
50%
0%
50%
Home Draw Away

USL Championship 2025

3 matches recorded · United States

Card Summary

Yellow Cards 12
Red Cards 1
Yellows / Game 4.00
Reds / Game 0.33

Cards by Half

1st Half Cards 5
2nd Half Cards 7
1H / Game 1.67
2H / Game 2.33

Home vs Away

Home Cards 4
Away Cards 8
Home / Game 1.33
Away / Game 2.67

Both Teams Booked

BTB Total 2 / 3
BTB % 67%
BTB 1H % 33%
BTB 2H % 67%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
67%
O 3.5
33%
O 4.5
33%
O 5.5
33%

Over Cards - 1st Half

O 0.5
67%
O 1.5
33%
O 2.5
33%
O 3.5
33%

Over Cards - 2nd Half

O 0.5
100%
O 1.5
67%
O 2.5
67%
O 3.5
0%

Over Home Team Cards

O 0.5
67%
O 1.5
67%
O 2.5
0%

Over Away Team Cards

O 0.5
100%
O 1.5
67%
O 2.5
33%

Result Distribution

Home Win 67%
Draw 0%
Away Win 33%
67%
0%
33%
Home Draw Away

USL League One 2025

6 matches recorded · United States

Card Summary

Yellow Cards 36
Red Cards 3
Yellows / Game 6.00
Reds / Game 0.50

Cards by Half

1st Half Cards 9
2nd Half Cards 26
1H / Game 1.50
2H / Game 4.33

Home vs Away

Home Cards 15
Away Cards 21
Home / Game 2.50
Away / Game 3.50

Both Teams Booked

BTB Total 5 / 6
BTB % 83%
BTB 1H % 17%
BTB 2H % 83%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
83%
O 4.5
67%
O 5.5
67%

Over Cards - 1st Half

O 0.5
83%
O 1.5
33%
O 2.5
17%
O 3.5
17%

Over Cards - 2nd Half

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
50%

Over Home Team Cards

O 0.5
100%
O 1.5
83%
O 2.5
50%

Over Away Team Cards

O 0.5
83%
O 1.5
83%
O 2.5
83%

Result Distribution

Home Win 50%
Draw 50%
Away Win 0%
50%
50%
0%
Home Draw Away

MLS Next Pro 2025

8 matches recorded · United States

Card Summary

Yellow Cards 36
Red Cards 1
Yellows / Game 4.50
Reds / Game 0.13

Cards by Half

1st Half Cards 15
2nd Half Cards 22
1H / Game 1.88
2H / Game 2.75

Home vs Away

Home Cards 20
Away Cards 16
Home / Game 2.50
Away / Game 2.00

Both Teams Booked

BTB Total 8 / 8
BTB % 100%
BTB 1H % 63%
BTB 2H % 38%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
88%
O 3.5
75%
O 4.5
50%
O 5.5
38%

Over Cards - 1st Half

O 0.5
100%
O 1.5
63%
O 2.5
25%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
88%
O 1.5
88%
O 2.5
75%
O 3.5
25%

Over Home Team Cards

O 0.5
100%
O 1.5
63%
O 2.5
63%

Over Away Team Cards

O 0.5
100%
O 1.5
75%
O 2.5
25%

Result Distribution

Home Win 50%
Draw 0%
Away Win 50%
50%
0%
50%
Home Draw Away

USL League One Cup 2025

1 matches recorded · United States

Card Summary

Yellow Cards 4
Red Cards 0
Yellows / Game 4.00
Reds / Game 0.00

Cards by Half

1st Half Cards 2
2nd Half Cards 2
1H / Game 2.00
2H / Game 2.00

Home vs Away

Home Cards 1
Away Cards 3
Home / Game 1.00
Away / Game 3.00

Both Teams Booked

BTB Total 1 / 1
BTB % 100%
BTB 1H % 0%
BTB 2H % 100%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%
O 4.5
0%
O 5.5
0%

Over Cards - 1st Half

O 0.5
100%
O 1.5
100%
O 2.5
0%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
100%
O 1.5
100%
O 2.5
0%
O 3.5
0%

Over Home Team Cards

O 0.5
100%
O 1.5
0%
O 2.5
0%

Over Away Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%

Result Distribution

Home Win 100%
Draw 0%
Away Win 0%
100%
0%
0%
Home Draw Away

US Open Cup 2025

1 matches recorded · United States

Card Summary

Yellow Cards 7
Red Cards 0
Yellows / Game 7.00
Reds / Game 0.00

Cards by Half

1st Half Cards 0
2nd Half Cards 7
1H / Game 0.00
2H / Game 7.00

Home vs Away

Home Cards 4
Away Cards 3
Home / Game 4.00
Away / Game 3.00

Both Teams Booked

BTB Total 1 / 1
BTB % 100%
BTB 1H % 0%
BTB 2H % 100%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%
O 4.5
100%
O 5.5
100%

Over Cards - 1st Half

O 0.5
0%
O 1.5
0%
O 2.5
0%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%

Over Home Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%

Over Away Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%

Result Distribution

Home Win 100%
Draw 0%
Away Win 0%
100%
0%
0%
Home Draw Away

MLS Next Pro 2024

3 matches recorded · United States

Card Summary

Yellow Cards 8
Red Cards 0
Yellows / Game 2.67
Reds / Game 0.00

Cards by Half

1st Half Cards 6
2nd Half Cards 2
1H / Game 2.00
2H / Game 0.67

Home vs Away

Home Cards 5
Away Cards 3
Home / Game 1.67
Away / Game 1.00

Both Teams Booked

BTB Total 2 / 3
BTB % 67%
BTB 1H % 67%
BTB 2H % 0%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
33%
O 3.5
33%
O 4.5
0%
O 5.5
0%

Over Cards - 1st Half

O 0.5
100%
O 1.5
100%
O 2.5
0%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
67%
O 1.5
0%
O 2.5
0%
O 3.5
0%

Over Home Team Cards

O 0.5
100%
O 1.5
67%
O 2.5
0%

Over Away Team Cards

O 0.5
67%
O 1.5
33%
O 2.5
0%

Result Distribution

Home Win 67%
Draw 0%
Away Win 33%
67%
0%
33%
Home Draw Away

USL League One 2023

1 matches recorded · United States

Card Summary

Yellow Cards 9
Red Cards 0
Yellows / Game 9.00
Reds / Game 0.00

Cards by Half

1st Half Cards 5
2nd Half Cards 4
1H / Game 5.00
2H / Game 4.00

Home vs Away

Home Cards 4
Away Cards 5
Home / Game 4.00
Away / Game 5.00

Both Teams Booked

BTB Total 1 / 1
BTB % 100%
BTB 1H % 100%
BTB 2H % 100%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%
O 4.5
100%
O 5.5
100%

Over Cards - 1st Half

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%

Over Cards - 2nd Half

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%

Over Home Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%

Over Away Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%

Result Distribution

Home Win 0%
Draw 100%
Away Win 0%
0%
100%
0%
Home Draw Away

MLS Next Pro 2023

2 matches recorded · United States

Card Summary

Yellow Cards 8
Red Cards 0
Yellows / Game 4.00
Reds / Game 0.00

Cards by Half

1st Half Cards 4
2nd Half Cards 5
1H / Game 2.00
2H / Game 2.50

Home vs Away

Home Cards 4
Away Cards 5
Home / Game 2.00
Away / Game 2.50

Both Teams Booked

BTB Total 1 / 2
BTB % 50%
BTB 1H % 50%
BTB 2H % 50%

Over Yellow Cards

O 0.5
50%
O 1.5
50%
O 2.5
50%
O 3.5
50%
O 4.5
50%
O 5.5
50%

Over Cards - 1st Half

O 0.5
50%
O 1.5
50%
O 2.5
50%
O 3.5
50%

Over Cards - 2nd Half

O 0.5
50%
O 1.5
50%
O 2.5
50%
O 3.5
50%

Over Home Team Cards

O 0.5
50%
O 1.5
50%
O 2.5
50%

Over Away Team Cards

O 0.5
50%
O 1.5
50%
O 2.5
50%

Result Distribution

Home Win 50%
Draw 50%
Away Win 0%
50%
50%
0%
Home Draw Away

MLS Next Pro 2022

2 matches recorded · United States

Card Summary

Yellow Cards 13
Red Cards 0
Yellows / Game 6.50
Reds / Game 0.00

Cards by Half

1st Half Cards 3
2nd Half Cards 10
1H / Game 1.50
2H / Game 5.00

Home vs Away

Home Cards 4
Away Cards 9
Home / Game 2.00
Away / Game 4.50

Both Teams Booked

BTB Total 2 / 2
BTB % 100%
BTB 1H % 0%
BTB 2H % 100%

Over Yellow Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%
O 4.5
100%
O 5.5
100%

Over Cards - 1st Half

O 0.5
100%
O 1.5
50%
O 2.5
0%
O 3.5
0%

Over Cards - 2nd Half

O 0.5
100%
O 1.5
100%
O 2.5
100%
O 3.5
100%

Over Home Team Cards

O 0.5
100%
O 1.5
50%
O 2.5
50%

Over Away Team Cards

O 0.5
100%
O 1.5
100%
O 2.5
100%

Result Distribution

Home Win 50%
Draw 50%
Away Win 0%
50%
50%
0%
Home Draw Away

Match History

48 matches
Date Fixture Score Competition
10 Oct 2026 Union Omaha vs Fort Wayne 0-1 8 2 USL League One
19 Sep 2026 Richmond Kickers vs Charlotte Independence 1-2 8 0 USL League One
29 Aug 2026 Chattanooga Red Wolves vs Athletic Club Boise 2-3 6 0 USL League One
16 Aug 2026 Portland Hearts of Pine vs Forward Madison 1-2 6 1 USL League One
6 Aug 2026 Las Vegas Lights vs Oakland Roots 0-0 5 0 USL Championship
1 Aug 2026 Sporting Kansas City II vs Houston Dynamo FC II 3-2 6 2 MLS Next Pro
25 Jul 2026 Brooklyn FC vs San Antonio 0-1 7 0 USL Championship
18 Jul 2026 One Knoxville vs Alta 2-3 0 0 USL League One
5 Jul 2026 Crown Legacy vs Orlando City II 1-1 2 0 MLS Next Pro
17 Jun 2026 New York City II vs Carolina Core 3-2 5 0 MLS Next Pro
10 Jun 2026 Westchester SC vs Fort Wayne 1-1 5 0 USL League One
8 Jun 2026 Austin II vs Los Angeles FC 2 2-0 6 0 MLS Next Pro
23 May 2026 Loudoun United vs Detroit City 0-0 8 0 USL Championship
17 May 2026 Philadelphia Union II vs Columbus Crew II 1-1 3 0 MLS Next Pro
9 May 2026 Fort Lauderdale United W vs Carolina Ascent W 0-3 4 0 USL Super League Women
25 Apr 2026 Chattanooga Red Wolves vs Corpus Christi 0-1 6 0 USL League One Cup
20 Apr 2026 Sporting Kansas City II vs Whitecaps FC II 3-2 6 0 MLS Next Pro
12 Apr 2026 Huntsville City vs Chicago Fire II 0-0 5 0 MLS Next Pro
4 Apr 2026 Dallas Trinity W vs Spokane Zephyr W 3-1 0 0 USL Super League Women
2 Apr 2026 Colorado Springs vs Spokane Velocity 1-1 3 0 US Open Cup
8 Mar 2026 St. Louis City II vs Minnesota United II 3-0 2 0 MLS Next Pro
25 Oct 2025 Charleston Battery vs Birmingham Legion 2-1 3 1 USL Championship
19 Oct 2025 One Knoxville vs Texoma 2-1 9 2 USL League One
11 Oct 2025 Greenville Triumph vs Union Omaha 0-0 6 0 USL League One
4 Oct 2025 Miami FC II vs Pittsburgh Riverhounds 3-1 2 0 USL Championship
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Drew Klemp Referee Stats & Card History

Drew Klemp has officiated 48 matches across 6 competitions, averaging 4.88 yellow cards and 0.21 red cards per game (234 yellows and 10 reds in total). Active years in our database: 2022-2026. Competitions covered include MLS Next Pro, USL League One, USL Championship, US Open Cup, USL League One Cup, USL Super League Women.

This page includes career competition breakdowns, most-officiated teams, per-season card rates, first/second half splits, home vs away cards, both-teams-booked percentages, over/under yellow card thresholds, and a full match-by-match card history for Drew Klemp.

All statistics for Drew Klemp and thousands of other football referees are available via the OddAlerts Football Data API. Track referee appointments, build card market models, and access historical data programmatically.