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.

Alfonso Márquez Profile

Assignments
118

All tracked positions

Home Plate
29

Games with final scores

Base Assignments
89

1B 30 · 2B 30 · 3B 29

Average plate total10.0
Runs vs closing total+1.76
O/U record18-11
Over rate62.1%
Favorite cover8-21
Home win rate48.3%
Average pace170 min
Seasons

Team Betting Splits

How individual teams perform against the number when Alfonso Márquez is behind the plate in the selected betting sample.

Sort by sample size, team cover rate, home cover rate, totals rate, or average margin versus the number.

# Team Games ATS Record Team Cover % Home Cover % Away Cover % O/U Record Over % Avg vs RL Avg vs Total
1 Padres 4 1-3 25.0% 25.0% — 2-2 50.0% -0.75 +0.5
2 Diamondbacks 4 4-0 100.0% 100.0% 100.0% 1-3 25.0% +4.25 -1.25
3 Brewers 4 1-3 25.0% 0.0% 33.3% 1-3 25.0% -3.75 +2.12
4 Reds 3 2-1 66.7% 50.0% 100.0% 3-0 100.0% +0.83 +3.17
5 Cardinals 3 2-1 66.7% 50.0% 100.0% 3-0 100.0% +0.5 +5.0
6 Braves 3 1-2 33.3% 100.0% 0.0% 2-1 66.7% -2.17 +2.0
7 Yankees 3 2-1 66.7% 50.0% 100.0% 2-1 66.7% +1.5 +1.67
8 Phillies 3 1-2 33.3% 0.0% 50.0% 2-1 66.7% -5.17 +1.67
9 Rays 3 0-3 0.0% 0.0% 0.0% 1-2 33.3% -5.5 +0.67
10 Athletics 2 2-0 100.0% — 100.0% 2-0 100.0% +6.5 +2.75
11 Guardians 2 1-1 50.0% 0.0% 100.0% 2-0 100.0% -3.5 +3.0
12 Tigers 2 2-0 100.0% — 100.0% 2-0 100.0% +5.0 +2.5
13 Marlins 2 1-1 50.0% 50.0% — 2-0 100.0% +3.5 +4.25
14 Mets 2 1-1 50.0% — 50.0% 2-0 100.0% -1.5 +7.0
15 White Sox 2 1-1 50.0% — 50.0% 1-1 50.0% 0.0 -2.0
16 Astros 2 0-2 0.0% 0.0% — 1-1 50.0% -5.0 -0.5
17 Angels 2 2-0 100.0% — 100.0% 1-1 50.0% +8.0 +2.5
18 Pirates 2 2-0 100.0% 100.0% 100.0% 1-1 50.0% +4.0 +5.0
19 Mariners 2 0-2 0.0% 0.0% — 1-1 50.0% -2.0 -0.25
20 Nationals 2 1-1 50.0% 0.0% 100.0% 1-1 50.0% +4.0 -1.0
21 Orioles 1 0-1 0.0% — 0.0% 1-0 100.0% -6.5 +5.0
22 Twins 1 1-0 100.0% — 100.0% 1-0 100.0% +11.5 +5.5
23 Rangers 1 0-1 0.0% 0.0% — 1-0 100.0% -11.5 +5.5
24 Red Sox 1 1-0 100.0% 100.0% — 0-1 0.0% +3.5 -1.5
25 Cubs 1 0-1 0.0% — 0.0% 0-1 0.0% -3.5 -6.5
26 Dodgers 1 0-1 0.0% 0.0% — 0-1 0.0% -0.5 -0.5

Recent Betting Trend

Home plate game-by-game result and running streak for Alfonso Márquez in Selected Seasons.

Team Splits

Team cover % and over % when Alfonso Márquez is behind the plate, for every team in the sample (games shown in parentheses).

Assignment Schedule

Filter assignment history by position and team within the selected seasons.

Showing 51-75 of 118 filtered assignments .

Date Home Away Score Favorite RL Home RL O/U Pos Attendance
2026-07-11 Pirates Brewers 3-2
Dog 2.5 MIL -1.5
Home 2.5 Home +1.5
Under 4.0 9.0
First Base 29,080
2026-07-09 Reds Phillies 0-1
Dog 0.5 PHI -1.5
Home 0.5 Home +1.5
Under 8.5 9.5
Third Base 19,777
2026-07-08 Reds Phillies 11-5
Favorite 4.5 CIN -1.5
Home 4.5 Home -1.5
Over 7.0 9.0
Home Plate 33,089
2026-07-07 Reds Phillies 1-4
Favorite 1.5 PHI -1.5
Away 1.5 Home +1.5
Under 4.0 9.0
First Base 31,204
2026-07-06 Braves Mets 6-7
Dog 2.5 ATL -1.5
Away 2.5 Home -1.5
Over 4.0 9.0
Second Base 31,445
2026-07-05 Braves Mets 9-10
Dog 0.5 NYM -1.5
Home 0.5 Home +1.5
Over 10.5 8.5
Third Base 28,621
2026-07-04 Braves Mets 14-3
Favorite 9.5 ATL -1.5
Home 9.5 Home -1.5
Over 9.0 8.0
Home Plate 40,168
2026-07-03 Braves Mets 5-3
Dog 3.5 NYM -1.5
Home 3.5 Home +1.5
Under 1.0 9.0
First Base 39,138
2026-07-01 Yankees Tigers 2-6
Dog 5.5 NYY -1.5
Away 5.5 Home -1.5
Under 1.5 9.5
Second Base 37,117
2026-06-30 Yankees Tigers 3-9
Favorite 4.5 DET -1.5
Away 4.5 Home +1.5
Over 5.0 7.0
Third Base 37,211
2026-06-29 Yankees Tigers 3-7
Dog 5.5 NYY -1.5
Away 5.5 Home -1.5
Over 2.0 8.0
Home Plate 40,506
2026-06-20 Cubs Blue Jays 6-8
Dog 3.5 CHC -1.5
Away 3.5 Home -1.5
Over 5.0 9.0
First Base 40,706
2026-06-19 Cubs Blue Jays 16-2
Dog 15.5 TOR -1.5
Home 15.5 Home +1.5
Over 11.0 7.0
Second Base 40,275
2026-06-18 Rangers Twins 3-9
Favorite 4.5 MIN -1.5
Away 4.5 Home +1.5
Over 4.5 7.5
Third Base 30,606
2026-06-16 Rangers Twins 2-12
Dog 11.5 TEX -1.5
Away 11.5 Home -1.5
Over 5.5 8.5
Home Plate 27,463
2026-06-15 Rangers Twins 2-4
Dog 3.5 TEX -1.5
Away 3.5 Home -1.5
Under 2.5 8.5
First Base 25,957
2026-06-14 Athletics Rockies 9-23
Dog 15.5 ATH -1.5
Away 15.5 Home -1.5
Over 18.0 14.0
Second Base 8,268
2026-06-13 Athletics Rockies 7-5
Favorite 0.5 ATH -1.5
Home 0.5 Home -1.5
Under 2.5 14.5
Third Base 8,532
2026-06-10 Padres Reds 5-4
Dog 0.5 SD -1.5
Away 0.5 Home -1.5
Over 0.5 8.5
Home Plate 37,393
2026-06-09 Padres Reds 3-5
Favorite 0.5 CIN -1.5
Away 0.5 Home +1.5
Over 0.5 7.5
First Base 40,469
2026-06-08 Padres Reds 6-2
Favorite 2.5 SD -1.5
Home 2.5 Home -1.5
Over 0.5 7.5
Second Base 37,223
2026-05-31 Rays Angels 5-2
Favorite 1.5 TB -1.5
Home 1.5 Home -1.5
Under 1.0 8.0
Third Base 16,589
2026-05-30 Rays Angels 3-14
Dog 12.5 TB -1.5
Away 12.5 Home -1.5
Over 10.0 7.0
Home Plate 22,480
2026-05-29 Rays Angels 8-5
Favorite 1.5 TB -1.5
Home 1.5 Home -1.5
Over 5.0 8.0
First Base 18,706
2026-05-27 Guardians Nationals 3-2
Dog 0.5 CLE -1.5
Away 0.5 Home -1.5
Under 2.5 7.5
Second Base 19,559

About Alfonso Márquez in MLB Baseball

This official profile brings together MLB Baseball officiating records for Alfonso Márquez. RefMetrics has coverage from 2015 through 2026. Recorded assignment roles include First Base Umpire, Home Plate Umpire, Second Base Umpire, Third Base Umpire. These dates describe the records available here, rather than a complete career history.

Home plate and base assignments describe different responsibilities. Home plate game outcomes should be interpreted separately from assignments at first, second, or third base. Detailed game history and statistical breakdowns follow the access level shown on this page.

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