Mitch Keller vs. Tom O'Brien — Career Comparison

You might be looking for a matchup, check Mitch Keller's matchup page instead!

Mitch Keller
MillenialIowaThrows RightBats RightNorth AmericaPittsburgh PiratesNational LeagueStarting PitcherAll-Star
Tom O'Brien
Pre-GenerationalMassachusettsThrows RightBats RightNorth AmericaBoston RedsUnion AssociationSecond Baseman

Tom O'Brien is a position player and Mitch Keller a pitcher — the stats that define each role measure entirely different things, so a direct comparison doesn't hold up. If Tom O'Brien ever faced Mitch Keller, check out their matchup page.

Pitching Stats for Mitch Keller and Tom O'Brien

Mitch Keller
Careerverified
Per 9 Inningsverified
7
7
Tom O'Brien
Career
Per 9 Innings
1
1
Mitch Keller
Careerverified
Per 9 Innings
165
1.69
Tom O'Brien
Career
Per 9 Inningsverified
1
2.45
Mitch Keller
Careerverified
Per 9 Inningsverified
163
1.67
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Careerverified
Per 9 Inningsverified
42
0.43
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Career
Per 9 Innings
65
0.67
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Careerverified
Per 9 Inningsverified
39.25
39.25
Tom O'Brien
Career
Per 9 Innings
Mitch Keller
Careerverified
Per 9 Inningsverified
98.79
98.79
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Careerverified
Per 9 Inningsverified
2
0.02
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Careerverified
Per 9 Inningsverified
1
0.01
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Career
Per 9 Inningsverified
440
4.51
Tom O'Brien
Careerverified
Per 9 Innings
3
7.36
Mitch Keller
Careerverified
Per 9 Inningsverified
4.51
4.51
Tom O'Brien
Career
Per 9 Innings
7.36
7.36
Mitch Keller
Careerverified
Per 9 Inningsverified
4.46
4.46
Tom O'Brien
Career
Per 9 Innings
6.13
6.13
Mitch Keller
Careerverified
Per 9 Inningsverified
3.84
3.84
Tom O'Brien
Career
Per 9 Innings
7.09
7.09
Mitch Keller
Career
Per 9 Innings
0.267
0.267
Tom O'Brien
Careerverified
Per 9 Inningsverified
0.211
0.211
Mitch Keller
Careerverified
Per 9 Innings
2634
27
Tom O'Brien
Career
Per 9 Innings
11
27
Mitch Keller
Careerverified
Per 9 Innings
878
9
Tom O'Brien
Career
Per 9 Innings
3.2
9
Mitch Keller
Career
Per 9 Inningsverified
914
9.37
Tom O'Brien
Careerverified
Per 9 Innings
4
9.82
Mitch Keller
Careerverified
Per 9 Inningsverified
9.37
9.37
Tom O'Brien
Career
Per 9 Innings
9.82
9.82
Mitch Keller
Career
Per 9 Innings
103
1.06
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Career
Per 9 Innings
1.06
1.06
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Career
Per 9 Innings
0.62
0.62
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Career
Per 9 Inningsverified
299
3.06
Tom O'Brien
Careerverified
Per 9 Innings
5
12.27
Mitch Keller
Career
Per 9 Innings
2
0.02
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Careerverified
Per 9 Inningsverified
3.06
3.06
Tom O'Brien
Career
Per 9 Innings
12.27
12.27
Mitch Keller
Careerverified
Per 9 Inningsverified
837
8.58
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Careerverified
Per 9 Inningsverified
8.58
8.58
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Careerverified
Per 9 Inningsverified
5.07
5.07
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Career
Per 9 Innings
1.294
1.294
Tom O'Brien
Careerverified
Per 9 Inningsverified
1.364
1.364
Mitch Keller
Career
Per 9 Innings
19
0.19
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Career
Per 9 Innings
58
0.59
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Career
Per 9 Innings
4
0.04
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Careerverified
Per 9 Innings
3818
39.14
Tom O'Brien
Career
Per 9 Inningsverified
24
58.91
Mitch Keller
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Career
Per 9 Inningsverified
472
4.84
Tom O'Brien
Careerverified
Per 9 Innings
5
12.27
Mitch Keller
Careerverified
Per 9 Inningsverified
4.84
4.84
Tom O'Brien
Career
Per 9 Innings
12.27
12.27
Mitch Keller
Career
Per 9 Innings
8
0.08
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Career
Per 9 Innings
24
0.25
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mitch Keller
Careerverified
Per 9 Inningsverified
78
0.8
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Careerverified
Per 9 Inningsverified
1.382
1.382
Tom O'Brien
Career
Per 9 Innings
2.455
2.455
Mitch Keller
Careerverified
Per 9 Innings
3429
35.15
Tom O'Brien
Career
Per 9 Inningsverified
19
46.64
Mitch Keller
Careerverified
Per 9 Inningsverified
2.86
2.86
Tom O'Brien
Career
Per 9 Innings
5
5
Mitch Keller
Career
Per 9 Innings
0.326
0.326
Tom O'Brien
Careerverified
Per 9 Inningsverified
0.211
0.211
Mitch Keller
Career
Per 9 Innings
39.14
39.14
Tom O'Brien
Careerverified
Per 9 Inningsverified
58.91
58.91

Fielding Stats for Mitch Keller and Tom O'Brien

Mitch Keller
Careerverified
Per 9 Inningsverified
7
7
Tom O'Brien
Career
Per 9 Innings
6
6
Mitch Keller
Career
Per 9 Inningsverified
165
1.69
Tom O'Brien
Careerverified
Per 9 Innings
278
1.04
Mitch Keller
Careerverified
Per 9 Inningsverified
163
1.67
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Career
Per 9 Innings
2634
27
Tom O'Brien
Careerverified
Per 9 Innings
7221
27
Mitch Keller
Career
Per 9 Innings
878
9
Tom O'Brien
Careerverified
Per 9 Innings
2407
9
Mitch Keller
Career
Per 9 Innings
65
0.67
Tom O'Brien
Careerverified
Per 9 Inningsverified
1353
5.06
Mitch Keller
Career
Per 9 Innings
80
0.82
Tom O'Brien
Careerverified
Per 9 Inningsverified
433
1.62
Mitch Keller
Careerverified
Per 9 Inningsverified
3
0.03
Tom O'Brien
Career
Per 9 Innings
187
0.7
Mitch Keller
Career
Per 9 Innings
148
1.52
Tom O'Brien
Careerverified
Per 9 Inningsverified
1973
7.38
Mitch Keller
Career
Per 9 Innings
145
1.49
Tom O'Brien
Careerverified
Per 9 Inningsverified
1786
6.68
Mitch Keller
Careerverified
Per 9 Inningsverified
97.97
97.97
Tom O'Brien
Career
Per 9 Innings
90.52
90.52
Mitch Keller
Career
Per 9 Innings
0.879
0.879
Tom O'Brien
Careerverified
Per 9 Inningsverified
6.425
6.425
Mitch Keller
Careerverified
Per 9 Inningsverified
98.79
98.79
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Career
Per 9 Innings
10
0.1
Tom O'Brien
Careerverified
Per 9 Inningsverified
87
0.33
Mitch Keller
Careerverified
Per 9 Inningsverified
0
0
Tom O'Brien
Career
Per 9 Innings
2
0.01
Mitch Keller
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Mitch Keller
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0

Hitting Stats for Mitch Keller and Tom O'Brien

Mitch Keller
Careerverified
Per 600 PAverified
7
7
Tom O'Brien
Career
Per 600 PA
6
6
Mitch Keller
Career
Per 600 PAverified
166
2316.28
Tom O'Brien
Careerverified
Per 600 PA
270
139.06
Mitch Keller
Career
Per 600 PA
43
600
Tom O'Brien
Careerverified
Per 600 PA
1165
600
Mitch Keller
Career
Per 600 PA
38
530.23
Tom O'Brien
Careerverified
Per 600 PAverified
1111
572.19
Mitch Keller
Career
Per 600 PA
0.079
0.079
Tom O'Brien
Careerverified
Per 600 PAverified
0.231
0.231
Mitch Keller
Career
Per 600 PA
0.279
0.279
Tom O'Brien
Careerverified
Per 600 PAverified
0.609
0.609
Mitch Keller
Career
Per 600 PA
3
41.86
Tom O'Brien
Careerverified
Per 600 PAverified
257
132.36
Mitch Keller
Career
Per 600 PA
3
41.86
Tom O'Brien
Careerverified
Per 600 PAverified
183
94.25
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
50
25.75
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
20
10.3
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
4
2.06
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
74
38.11
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.288
0.288
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.004
0.004
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.016
0.016
Mitch Keller
Career
Per 600 PA
0.25
3.45
Tom O'Brien
Careerverified
Per 600 PAverified
100.55
51.79
Mitch Keller
Career
Per 600 PA
3
41.86
Tom O'Brien
Careerverified
Per 600 PAverified
359
184.89
Mitch Keller
Career
Per 600 PA
5
69.77
Tom O'Brien
Careerverified
Per 600 PAverified
311
160.17
Mitch Keller
Career
Per 600 PA
0.125
0.125
Tom O'Brien
Careerverified
Per 600 PAverified
0.267
0.267
Mitch Keller
Career
Per 600 PA
0.079
0.079
Tom O'Brien
Careerverified
Per 600 PAverified
0.323
0.323
Mitch Keller
Career
Per 600 PA
0.204
0.204
Tom O'Brien
Careerverified
Per 600 PAverified
0.59
0.59
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.092
0.092
Mitch Keller
Career
Per 600 PA
0.076
0.076
Tom O'Brien
Careerverified
Per 600 PAverified
0.201
0.201
Mitch Keller
Career
Per 600 PA
0.139
0.139
Tom O'Brien
Careerverified
Per 600 PAverified
0.502
0.502
Mitch Keller
Career
Per 600 PA
0.143
0.143
Tom O'Brien
Careerverified
Per 600 PAverified
0.234
0.234
Mitch Keller
Career
Per 600 PA
2
27.91
Tom O'Brien
Careerverified
Per 600 PAverified
158
81.37
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
61
31.42
Mitch Keller
Career
Per 600 PA
2
27.91
Tom O'Brien
Careerverified
Per 600 PAverified
215
110.73
Mitch Keller
Career
Per 600 PA
-1.55
-21.58
Tom O'Brien
Careerverified
Per 600 PAverified
109
56.14
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
2
1.03
Mitch Keller
Career
Per 600 PAverified
2
27.91
Tom O'Brien
Careerverified
Per 600 PA
52
26.78
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Mitch Keller
Careerverified
Per 600 PA
17
237.21
Tom O'Brien
Career
Per 600 PAverified
24
12.36
Mitch Keller
Career
Per 600 PA
2.53
2.53
Tom O'Brien
Careerverified
Per 600 PAverified
48.54
48.54
Mitch Keller
Career
Per 600 PA
0.12
0.12
Tom O'Brien
Careerverified
Per 600 PAverified
2.17
2.17
Mitch Keller
Careerverified
Per 600 PAverified
3
41.86
Tom O'Brien
Career
Per 600 PA
0
0
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Mitch Keller
Career
Per 600 PA
1
13.95
Tom O'Brien
Careerverified
Per 600 PAverified
0
0
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
16
8.24
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Mitch Keller
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
16
8.24
Mitch Keller
Career
Per 600 PA
Tom O'Brien
Careerverified
Per 600 PAverified
100
100