RefMetrics Baseball

MLB Umpire Profiles

Break down one MLB umpire at a time with assignment counts, home plate scoring context, pace, attendance, recent appearances, and betting performance.

Select an umpire to move from high-level leaderboard volume into plate-level game context and betting trends.

Umpire Profile

Search through all logged MLB umpires and inspect where they work most often and what their home plate games look like.

See Alfonso Márquez for example.

Selected Umpire

Louie Krupa

Current profile selection.

Assignments

33

Across 1 tracked seasons.

Plate Games

8

8 tracked home plate assignments with final scores.

Base Positions

25

1B 9 • 2B 8 • 3B 8

Avg Plate Total

11.0

Expected total Subscription required on average.

Runs vs Total

Positive means this umpire’s plate games finish above the closing total.

O/U Record

Subscription required

Favorite Cover

Subscription required

Home Win %

12.5%

Share of tracked home plate games won by the home team.

Pace & Crowd

167 min

Avg attendance 32,590 in plate games.

Profile Breakdown

Switch between team-level betting analysis and the full assignment schedule for Louie Krupa.

Team Betting Splits

How individual teams perform against the number when Louie Krupa is behind the plate.

#	Team	Games	ATS Record	Team Cover %	Home Cover %	Away Cover %	O/U Record	Over %	Avg vs RL	Avg vs Total
1	Colorado Rockies	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required
2	Philadelphia Phillies	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required
3	Athletics	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required
4	Chicago Cubs	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required
5	Chicago White Sox	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required
6	Houston Astros	Subscription required	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required
7	Los Angeles Angels	Subscription required	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required
8	Pittsburgh Pirates	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required
9	San Francisco Giants	Subscription required	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required
10	Washington Nationals	Subscription required	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required
11	Cleveland Guardians	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required	Subscription required
12	New York Mets	Subscription required	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required
13	San Diego Padres	Subscription required	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required
14	Texas Rangers	Subscription required	Subscription required	Subscription required	Subscription required	—	Subscription required	Subscription required	Subscription required	Subscription required

Assignment Schedule

Filter the full MLB assignment history for Louie Krupa by season, position, and team.

Scores are shown home-away. Green marks a positive betting result for that column's angle, and red marks a negative one.

Clear Filters

Showing 1-25 of 33 filtered assignments .

Date	Home	Away	Score	Favorite RL	Home RL	O/U	Pos	Attendance
2026-07-17	BOS	TB	10-0	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	First Base	36,774
2026-07-17	BOS	TB	5-3	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Third Base	34,255
2026-06-28	PIT	CIN	9-4	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	First Base	24,023
2026-06-27	PIT	CIN	7-9	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Second Base	30,077
2026-06-26	PIT	CIN	4-6	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Third Base	25,186
2026-06-25	WSH	PHI	5-10	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Home Plate	28,919
2026-06-24	WSH	PHI	4-5	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	First Base	27,200
2026-06-23	WSH	PHI	9-14	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Second Base	29,611
2026-06-22	WSH	PHI	4-1	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Third Base	18,237
2026-06-11	COL	CHC	3-9	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Home Plate	35,128
2026-06-10	COL	CHC	3-2	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	First Base	31,802
2026-06-09	COL	CHC	7-3	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Second Base	29,302
2026-06-07	TEX	CLE	10-0	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Third Base	34,851
2026-06-06	TEX	CLE	0-6	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Home Plate	31,608
2026-06-05	TEX	CLE	3-2	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	First Base	27,738
2026-06-04	HOU	PIT	1-5	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Second Base	23,136
2026-06-03	HOU	PIT	11-9	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Third Base	26,956
2026-06-02	HOU	PIT	6-10	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Home Plate	25,513
2026-05-31	SEA	ARI	3-2	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	First Base	41,897
2026-05-30	SEA	ARI	5-1	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Second Base	44,364
2026-05-29	SEA	ARI	7-6	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Third Base	44,198
2026-05-27	SD	PHI	0-3	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Home Plate	37,426
2026-05-26	SD	PHI	3-4	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	First Base	40,399
2026-05-25	SD	PHI	0-3	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Second Base	41,293
2026-05-24	SF	CWS	8-5	Result Subscription required Line Subscription required	Result Subscription required Line Subscription required	Result Subscription required Total Subscription required	Third Base	40,220

Unlock MLB Umpire Analysis

Log in to unlock MLB umpire analysis and assignment schedule detail.

Login Register