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
CB Bucknor

Current profile selection.

Assignments
1,167

Across 12 tracked seasons.

Plate Games
296

296 tracked home plate assignments with final scores.

Base Positions
871

1B 294 • 2B 291 • 3B 286

Avg Plate Total
8.36

Expected total Subscription required on average.

Runs vs Total
Subscription required

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

O/U Record
Subscription required

Subscription required

Favorite Cover
Subscription required

Subscription required

Home Win %
56.1%

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

Pace & Crowd
177 min

Avg attendance 28,139 in plate games.

Profile Breakdown

Switch between team-level betting analysis and the full assignment schedule for CB Bucknor.

Team Betting Splits

How individual teams perform against the number when CB Bucknor 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 Chicago Cubs Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
2 Detroit Tigers Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
3 Milwaukee Brewers Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
4 Atlanta Braves Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
5 San Francisco Giants Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
6 Colorado Rockies Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
7 St. Louis Cardinals Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
8 New York Yankees Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
9 Kansas City Royals Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
10 Miami Marlins Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
11 Tampa Bay Rays Subscription required 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 Subscription required
13 Houston Astros Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
14 Philadelphia Phillies Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
15 Minnesota Twins Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
16 Seattle Mariners Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
17 Chicago White Sox Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
18 Washington Nationals Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
19 Pittsburgh Pirates Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
20 San Diego Padres Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
21 Baltimore Orioles Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
22 Cincinnati Reds Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
23 Arizona Diamondbacks Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
24 Los Angeles Dodgers Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
25 Texas Rangers Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
26 Los Angeles Angels Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
27 Boston Red Sox Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
28 Toronto Blue Jays Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
29 Oakland Athletics Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
30 Athletics Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
31 Cleveland Guardians Subscription required 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 CB Bucknor 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.

Showing 1-25 of 1167 filtered assignments .

Date Home Away Score Favorite RL Home RL O/U Pos Attendance
2026-04-01 MIL TB 8-2
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 21,949
2026-03-31 MIL TB 6-2
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 20,010
2026-03-30 MIL TB 2-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 20,022
2026-03-29 CIN BOS 3-2
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 27,084
2026-03-28 CIN BOS 6-5
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 38,298
2026-03-26 CIN BOS 0-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 43,897
2025-09-28 NYY BAL 3-2
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 45,004
2025-09-27 NYY BAL 6-1
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 46,085
2025-09-26 NYY BAL 8-4
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 44,596
2025-09-24 ATL WSH 3-4
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 32,898
2025-09-23 ATL WSH 3-2
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 37,322
2025-09-22 ATL WSH 11-5
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 35,248
2025-09-14 NYM TEX 5-2
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 40,024
2025-09-13 NYM TEX 2-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 41,752
2025-09-12 NYM TEX 3-8
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 41,040
2025-09-10 ATL CHC 2-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 35,757
2025-09-09 ATL CHC 1-6
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 32,721
2025-09-08 ATL CHC 4-1
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 33,430
2025-09-07 STL SF 4-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 29,923
2025-09-06 STL SF 3-2
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 26,085
2025-09-05 STL SF 2-8
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 25,837
2025-09-04 MIN CWS 8-11
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 13,188
2025-09-03 MIN CWS 3-4
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 11,904
2025-09-02 MIN CWS 3-12
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 11,721
2025-09-01 MIN CWS 5-6
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 15,892
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