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
Nate Tomlinson

Current profile selection.

Assignments
546

Across 7 tracked seasons.

Plate Games
129

129 tracked home plate assignments with final scores.

Base Positions
417

1B 143 • 2B 137 • 3B 137

Avg Plate Total
9.34

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 %
48.8%

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

Pace & Crowd
166 min

Avg attendance 27,551 in plate games.

Profile Breakdown

Switch between team-level betting analysis and the full assignment schedule for Nate Tomlinson.

Team Betting Splits

How individual teams perform against the number when Nate Tomlinson 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 Philadelphia Phillies Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
2 Miami Marlins Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
3 Texas Rangers Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
4 Colorado Rockies Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
5 Minnesota Twins Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
6 Los Angeles Angels Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
7 Pittsburgh Pirates Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
8 Arizona Diamondbacks Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
9 Cincinnati Reds Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
10 Seattle Mariners Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
11 Houston Astros Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
12 Oakland Athletics Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
13 New York Yankees Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
14 Los Angeles Dodgers Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
15 Cleveland Guardians Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
16 Chicago Cubs Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
17 St. Louis Cardinals Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
18 Chicago White Sox Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
19 Kansas City Royals Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
20 Milwaukee Brewers Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
21 New York Mets Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
22 Detroit Tigers Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
23 Toronto Blue Jays Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
24 San Diego Padres Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
25 Boston Red Sox Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
26 Tampa Bay Rays Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
27 Atlanta Braves Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
28 Washington Nationals Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
29 Athletics Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
30 Baltimore Orioles Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required Subscription required
31 San Francisco Giants 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 Nate Tomlinson 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 546 filtered assignments .

Date Home Away Score Favorite RL Home RL O/U Pos Attendance
2026-07-19 CHC MIN 10-1
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 37,205
2026-07-18 CHC MIN 6-2
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 39,508
2026-07-17 CHC MIN 2-5
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 39,855
2026-07-05 WSH PIT 5-11
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 19,587
2026-07-04 WSH PIT 1-7
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 28,125
2026-07-03 WSH PIT 9-5
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 30,331
2026-07-01 BAL CWS 6-1
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 19,045
2026-06-30 BAL CWS 3-9
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 17,581
2026-06-29 BAL CWS 2-8
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 17,146
2026-06-28 CLE SEA 6-5
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 27,934
2026-06-27 CLE SEA 4-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 33,309
2026-06-26 CLE SEA 1-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 32,832
2026-06-24 STL ARI 4-9
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 22,376
2026-06-23 STL ARI 3-4
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 23,560
2026-06-22 STL ARI 3-2
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 22,050
2026-06-21 MIA SF 2-1
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 18,749
2026-06-20 MIA SF 6-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 22,643
2026-06-19 MIA SF 4-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 11,677
2026-06-17 CIN NYM 1-9
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 27,207
2026-06-16 CIN NYM 5-3
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 28,710
2026-06-15 CIN NYM 12-0
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 19,853
2026-06-14 KC HOU 4-0
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Third Base 23,730
2026-06-13 KC HOU 7-8
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Home Plate 17,881
2026-06-12 KC HOU 8-10
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
First Base 25,672
2026-06-10 CLE NYY 4-8
Result Subscription required Line Subscription required
Result Subscription required Line Subscription required
Result Subscription required Total Subscription required
Second Base 31,586
Unlock MLB Umpire Analysis

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