John Kelly vs. Tom O'Brien — Career Comparison

John Kelly
Pre-GenerationalNew JerseyThrows RightBats RightNorth AmericaBaltimore OriolesAmerican AssociationCatcher
Tom O'Brien
Pre-GenerationalMassachusettsThrows RightBats RightNorth AmericaBoston RedsUnion AssociationSecond Baseman

On the career numbers, Tom O'Brien posted the stronger offensive profile against John Kelly. Tom O'Brien posted stronger numbers in OPS (.590 vs .524) and on-base percentage (.267 vs .242). 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 John Kelly and Tom O'Brien

John Kelly
Career
Per 600 PA
4
4
Tom O'Brien
Careerverified
Per 600 PAverified
6
6
John Kelly
Career
Per 600 PAverified
122
152.82
Tom O'Brien
Careerverified
Per 600 PA
270
139.06
John Kelly
Career
Per 600 PA
479
600
Tom O'Brien
Careerverified
Per 600 PA
1165
600
John Kelly
Career
Per 600 PAverified
469
587.47
Tom O'Brien
Careerverified
Per 600 PA
1111
572.19
John Kelly
Career
Per 600 PA
0.226
0.226
Tom O'Brien
Careerverified
Per 600 PAverified
0.231
0.231
John Kelly
Career
Per 600 PA
0.528
0.528
Tom O'Brien
Careerverified
Per 600 PAverified
0.609
0.609
John Kelly
Career
Per 600 PAverified
106
132.78
Tom O'Brien
Careerverified
Per 600 PA
257
132.36
John Kelly
Career
Per 600 PAverified
85
106.47
Tom O'Brien
Careerverified
Per 600 PA
183
94.25
John Kelly
Career
Per 600 PA
17
21.29
Tom O'Brien
Careerverified
Per 600 PAverified
50
25.75
John Kelly
Career
Per 600 PA
3
3.76
Tom O'Brien
Careerverified
Per 600 PAverified
20
10.3
John Kelly
Career
Per 600 PA
1
1.25
Tom O'Brien
Careerverified
Per 600 PAverified
4
2.06
John Kelly
Career
Per 600 PA
21
26.3
Tom O'Brien
Careerverified
Per 600 PAverified
74
38.11
John Kelly
Career
Per 600 PA
0.198
0.198
Tom O'Brien
Careerverified
Per 600 PAverified
0.288
0.288
John Kelly
Career
Per 600 PA
0.002
0.002
Tom O'Brien
Careerverified
Per 600 PAverified
0.004
0.004
John Kelly
Career
Per 600 PA
0.009
0.009
Tom O'Brien
Careerverified
Per 600 PAverified
0.016
0.016
John Kelly
Career
Per 600 PA
31.52
39.48
Tom O'Brien
Careerverified
Per 600 PAverified
100.55
51.79
John Kelly
Career
Per 600 PA
132
165.34
Tom O'Brien
Careerverified
Per 600 PAverified
359
184.89
John Kelly
Career
Per 600 PA
116
145.3
Tom O'Brien
Careerverified
Per 600 PAverified
311
160.17
John Kelly
Career
Per 600 PA
0.242
0.242
Tom O'Brien
Careerverified
Per 600 PAverified
0.267
0.267
John Kelly
Career
Per 600 PA
0.281
0.281
Tom O'Brien
Careerverified
Per 600 PAverified
0.323
0.323
John Kelly
Career
Per 600 PA
0.524
0.524
Tom O'Brien
Careerverified
Per 600 PAverified
0.59
0.59
John Kelly
Career
Per 600 PA
0.055
0.055
Tom O'Brien
Careerverified
Per 600 PAverified
0.092
0.092
John Kelly
Career
Per 600 PA
0.179
0.179
Tom O'Brien
Careerverified
Per 600 PAverified
0.201
0.201
John Kelly
Career
Per 600 PA
0.391
0.391
Tom O'Brien
Careerverified
Per 600 PAverified
0.502
0.502
John Kelly
Careerverified
Per 600 PAverified
0.238
0.238
Tom O'Brien
Career
Per 600 PA
0.234
0.234
John Kelly
Career
Per 600 PA
48
60.13
Tom O'Brien
Careerverified
Per 600 PAverified
158
81.37
John Kelly
Career
Per 600 PA
5
6.26
Tom O'Brien
Careerverified
Per 600 PAverified
61
31.42
John Kelly
Career
Per 600 PA
52
65.14
Tom O'Brien
Careerverified
Per 600 PAverified
215
110.73
John Kelly
Career
Per 600 PA
34.69
43.46
Tom O'Brien
Careerverified
Per 600 PAverified
109
56.14
John Kelly
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
2
1.03
John Kelly
Career
Per 600 PA
10
12.53
Tom O'Brien
Careerverified
Per 600 PAverified
52
26.78
John Kelly
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
John Kelly
Career
Per 600 PA
26
32.57
Tom O'Brien
Careerverified
Per 600 PAverified
24
12.36
John Kelly
Career
Per 600 PA
18.42
18.42
Tom O'Brien
Careerverified
Per 600 PAverified
48.54
48.54
John Kelly
Career
Per 600 PA
0.38
0.38
Tom O'Brien
Careerverified
Per 600 PAverified
2.17
2.17
John Kelly
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
John Kelly
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
John Kelly
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
John Kelly
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
16
8.24
John Kelly
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
John Kelly
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
16
8.24
John Kelly
Career
Per 600 PA
Tom O'Brien
Careerverified
Per 600 PAverified
100
100

Fielding Stats for John Kelly and Tom O'Brien

John Kelly
Career
Per 9 Innings
4
4
Tom O'Brien
Careerverified
Per 9 Inningsverified
6
6
John Kelly
Career
Per 9 Inningsverified
127
1.07
Tom O'Brien
Careerverified
Per 9 Innings
278
1.04
John Kelly
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
John Kelly
Career
Per 9 Innings
3204
27
Tom O'Brien
Careerverified
Per 9 Innings
7221
27
John Kelly
Career
Per 9 Innings
1068
9
Tom O'Brien
Careerverified
Per 9 Innings
2407
9
John Kelly
Career
Per 9 Innings
552
4.65
Tom O'Brien
Careerverified
Per 9 Inningsverified
1353
5.06
John Kelly
Career
Per 9 Innings
141
1.19
Tom O'Brien
Careerverified
Per 9 Inningsverified
433
1.62
John Kelly
Careerverified
Per 9 Innings
142
1.2
Tom O'Brien
Career
Per 9 Inningsverified
187
0.7
John Kelly
Career
Per 9 Innings
835
7.04
Tom O'Brien
Careerverified
Per 9 Inningsverified
1973
7.38
John Kelly
Career
Per 9 Innings
693
5.84
Tom O'Brien
Careerverified
Per 9 Inningsverified
1786
6.68
John Kelly
Career
Per 9 Innings
82.99
82.99
Tom O'Brien
Careerverified
Per 9 Inningsverified
90.52
90.52
John Kelly
Career
Per 9 Innings
5.457
5.457
Tom O'Brien
Careerverified
Per 9 Inningsverified
6.425
6.425
John Kelly
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
John Kelly
Career
Per 9 Innings
9
0.08
Tom O'Brien
Careerverified
Per 9 Inningsverified
87
0.33
John Kelly
Career
Per 9 Innings
198
1.67
Tom O'Brien
Careerverified
Per 9 Inningsverified
2
0.01
John Kelly
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
John Kelly
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
John Kelly
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0