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.

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Alfonso Márquez Profile

Assignments
115

All tracked positions

Home Plate
28

Games with final scores

Base Assignments
87

1B 29 · 2B 29 · 3B 29

Average plate total10.11
Runs vs closing total+1.84
O/U record18-10
Over rate64.3%
Favorite cover8-20
Home win rate46.4%
Average pace169 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 Diamondbacks 4 4-0 100.0% 100.0% 100.0% 1-3 25.0% +4.25 -1.25
2 Reds 3 2-1 66.7% 50.0% 100.0% 3-0 100.0% +0.83 +3.17
3 Cardinals 3 2-1 66.7% 50.0% 100.0% 3-0 100.0% +0.5 +5.0
4 Braves 3 1-2 33.3% 100.0% 0.0% 2-1 66.7% -2.17 +2.0
5 Yankees 3 2-1 66.7% 50.0% 100.0% 2-1 66.7% +1.5 +1.67
6 Phillies 3 1-2 33.3% 0.0% 50.0% 2-1 66.7% -5.17 +1.67
7 Padres 3 1-2 33.3% 33.3% 2-1 66.7% -0.83 +0.83
8 Brewers 3 0-3 0.0% 0.0% 0.0% 1-2 33.3% -5.17 +3.0
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 1-25 of 115 filtered assignments .

Date Home Away Score Favorite RL Home RL O/U Pos Attendance
2026-09-20 Rockies Mariners 1-2
Dog 0.5 SEA -1.5
Home 0.5 Home +1.5
Under 7.5 10.5
First Base 33,751
2026-09-19 Rockies Mariners 5-3
Dog 3.5 SEA -1.5
Home 3.5 Home +1.5
Under 3.0 11.0
Second Base 34,457
2026-09-18 Rockies Mariners 4-5
Dog 0.5 SEA -1.5
Home 0.5 Home +1.5
Under 1.5 10.5
Third Base 40,203
2026-09-16 Nationals Phillies 0-3
Favorite 1.5 PHI -1.5
Away 1.5 Home +1.5
Under 6.0 9.0
Home Plate 23,007
2026-09-15 Nationals Phillies 6-3
Dog 4.5 PHI -1.5
Home 4.5 Home +1.5
Over 1.0 8.0
First Base 23,952
2026-09-13 Cardinals White Sox 3-1
Dog 3.5 CWS -1.5
Home 3.5 Home +1.5
Under 4.5 8.5
Third Base 34,609
2026-09-12 Cardinals White Sox 5-6
Dog 0.5 CWS -1.5
Home 0.5 Home +1.5
Over 2.5 8.5
Home Plate 40,387
2026-09-11 Cardinals White Sox 7-3
Dog 5.5 CWS -1.5
Home 5.5 Home +1.5
Over 2.0 8.0
First Base 30,274
2026-09-09 Marlins Mets 14-15
Dog 2.5 MIA -1.5
Away 2.5 Home -1.5
Over 20.5 8.5
Second Base 10,955
2026-09-08 Marlins Mets 5-7
Dog 3.5 MIA -1.5
Away 3.5 Home -1.5
Over 4.0 8.0
Third Base 9,470
2026-09-07 Marlins Mets 4-9
Dog 6.5 MIA -1.5
Away 6.5 Home -1.5
Over 5.0 8.0
Home Plate 16,007
2026-08-30 Twins White Sox 5-1
Favorite 2.5 MIN -1.5
Home 2.5 Home -1.5
Under 2.5 8.5
First Base 26,225
2026-08-29 Twins White Sox 2-3
Dog 0.5 CWS -1.5
Home 0.5 Home +1.5
Under 4.0 9.0
Second Base 28,310
2026-08-28 Twins White Sox 4-7
Dog 4.5 MIN -1.5
Away 4.5 Home -1.5
Over 2.0 9.0
Third Base 28,140
2026-08-26 Diamondbacks Cubs 2-0
Dog 3.5 CHC -1.5
Home 3.5 Home +1.5
Under 6.5 8.5
Home Plate 24,297
2026-08-25 Diamondbacks Cubs 5-4
Dog 2.5 CHC -1.5
Home 2.5 Home +1.5
Over 1.0 8.0
First Base 28,215
2026-08-24 Diamondbacks Cubs 0-7
Favorite 5.5 CHC -1.5
Away 5.5 Home +1.5
Under 2.0 9.0
Second Base 28,704
2026-08-23 Dodgers Pirates 4-0
Favorite 2.5 LAD -1.5
Home 2.5 Home -1.5
Under 4.5 8.5
Third Base 44,092
2026-08-22 Dodgers Pirates 4-3
Dog 0.5 LAD -1.5
Away 0.5 Home -1.5
Under 0.5 7.5
Home Plate 53,417
2026-08-21 Dodgers Pirates 5-4
Dog 0.5 LAD -1.5
Away 0.5 Home -1.5
Over 1.0 8.0
First Base 51,872
2026-08-20 Astros Angels 3-18
Dog 16.5 HOU -1.5
Away 16.5 Home -1.5
Over 12.5 8.5
Second Base 20,934
2026-08-19 Astros Angels 3-2
Dog 0.5 HOU -1.5
Away 0.5 Home -1.5
Under 3.5 8.5
Third Base 21,162
2026-08-18 Astros Angels 1-3
Dog 3.5 HOU -1.5
Away 3.5 Home -1.5
Under 5.0 9.0
Home Plate 22,767
2026-08-16 Athletics Rangers 5-2
Dog 4.5 TEX -1.5
Home 4.5 Home +1.5
Under 2.5 9.5
First Base 7,343
2026-08-15 Athletics Rangers 3-5
Favorite 0.5 TEX -1.5
Away 0.5 Home +1.5
Under 1.5 9.5
Second Base 10,070

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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