Jack Mayfield vs. Tom O'Brien — Career Comparison
On the career numbers, Tom O'Brien posted the stronger offensive profile against Jack Mayfield. Tom O'Brien posted stronger numbers in OPS (.707 vs .592) and on-base percentage (.341 vs .248). Jack Mayfield had the advantage in home run production (13 career HR at a higher rate). By the career numbers, Tom O'Brien had the stronger overall case — though those totals don't account for the eras and run environments each player worked in.
Hitting Stats for Jack Mayfield and Tom O'Brien
Jack Mayfield
Career
Per 600 PA
157
197.9
Tom O'Brien
Career
Per 600 PA
428
146.16
Jack Mayfield
Career
Per 600 PA
476
600
Tom O'Brien
Career
Per 600 PA
1757
600
Jack Mayfield
Career
Per 600 PA
442
557.14
Tom O'Brien
Career
Per 600 PA
1573
537.17
Jack Mayfield
Career
Per 600 PA
0.201
0.201
Tom O'Brien
Career
Per 600 PA
0.278
0.278
Jack Mayfield
Career
Per 600 PA
0.617
0.617
Tom O'Brien
Career
Per 600 PA
0.747
0.747
Jack Mayfield
Career
Per 600 PA
36
45.38
Tom O'Brien
Career
Per 600 PA
94
32.1
Jack Mayfield
Career
Per 600 PA
0.405
0.405
Tom O'Brien
Career
Per 600 PA
0.215
0.215
Jack Mayfield
Career
Per 600 PA
0.029
0.029
Tom O'Brien
Career
Per 600 PA
0.006
0.006
Jack Mayfield
Career
Per 600 PA
0.146
0.146
Tom O'Brien
Career
Per 600 PA
0.023
0.023
Jack Mayfield
Career
Per 600 PA
41.08
51.79
Tom O'Brien
Career
Per 600 PA
217.27
74.2
Jack Mayfield
Career
Per 600 PA
152
191.6
Tom O'Brien
Career
Per 600 PA
575
196.36
Jack Mayfield
Career
Per 600 PA
117
147.48
Tom O'Brien
Career
Per 600 PA
588
200.8
Jack Mayfield
Career
Per 600 PA
0.248
0.248
Tom O'Brien
Career
Per 600 PA
0.341
0.341
Jack Mayfield
Career
Per 600 PA
0.344
0.344
Tom O'Brien
Career
Per 600 PA
0.366
0.366
Jack Mayfield
Career
Per 600 PA
0.143
0.143
Tom O'Brien
Career
Per 600 PA
0.088
0.088
Jack Mayfield
Career
Per 600 PA
0.198
0.198
Tom O'Brien
Career
Per 600 PA
0.245
0.245
Jack Mayfield
Career
Per 600 PA
0.515
0.515
Tom O'Brien
Career
Per 600 PA
0.688
0.688
Jack Mayfield
Career
Per 600 PA
0.241
0.241
Tom O'Brien
Career
Per 600 PA
0.289
0.289
Jack Mayfield
Career
Per 600 PA
91
114.71
Tom O'Brien
Career
Per 600 PA
468
159.82
Jack Mayfield
Career
Per 600 PA
36.75
46.32
Tom O'Brien
Career
Per 600 PA
240.15
82.01
Jack Mayfield
Career
Per 600 PA
115
144.96
Tom O'Brien
Career
Per 600 PA
87
29.71
Jack Mayfield
Career
Per 600 PA
4.14
4.14
Tom O'Brien
Career
Per 600 PA
20.2
20.2
Jack Mayfield
Career
Per 600 PA
0.2
0.2
Tom O'Brien
Career
Per 600 PA
1.38
1.38
Jack Mayfield
Career
Per 600 PA
4
5.04
Tom O'Brien
Career
Per 600 PA
33
11.27
Jack Mayfield
Career
Per 600 PA
8
10.08
Tom O'Brien
Career
Per 600 PA
0
0
Jack Mayfield
Career
Per 600 PA
6
7.56
Tom O'Brien
Career
Per 600 PA
55
18.78
Jack Mayfield
Career
Per 600 PA
100
100
Tom O'Brien
Career
Per 600 PA
100
100
Fielding Stats for Jack Mayfield and Tom O'Brien
Jack Mayfield
Career
Per 9 Innings
164
1.32
Tom O'Brien
Career
Per 9 Innings
423
1.08
Jack Mayfield
Career
Per 9 Innings
3362
27
Tom O'Brien
Career
Per 9 Innings
10578
27
Jack Mayfield
Career
Per 9 Innings
1120.2
9
Tom O'Brien
Career
Per 9 Innings
3526
9
Jack Mayfield
Career
Per 9 Innings
120
0.96
Tom O'Brien
Career
Per 9 Innings
1635
4.17
Jack Mayfield
Career
Per 9 Innings
253
2.03
Tom O'Brien
Career
Per 9 Innings
183
0.47
Jack Mayfield
Career
Per 9 Innings
10
0.08
Tom O'Brien
Career
Per 9 Innings
112
0.29
Jack Mayfield
Career
Per 9 Innings
383
3.08
Tom O'Brien
Career
Per 9 Innings
1930
4.93
Jack Mayfield
Career
Per 9 Innings
373
3
Tom O'Brien
Career
Per 9 Innings
1818
4.64
Jack Mayfield
Career
Per 9 Innings
97.39
97.39
Tom O'Brien
Career
Per 9 Innings
94.2
94.2
Jack Mayfield
Career
Per 9 Innings
2.274
2.274
Tom O'Brien
Career
Per 9 Innings
4.298
4.298
Jack Mayfield
Career
Per 9 Innings
40
0.32
Tom O'Brien
Career
Per 9 Innings
83
0.21