Robert Armstrong vs. Tom O'Brien — Career Comparison

Robert Armstrong
Pre-GenerationalMarylandNorth AmericaFort Wayne KekiongasUnknownCenter Fielder
Tom O'Brien
Pre-GenerationalMassachusettsThrows RightBats RightNorth AmericaBoston RedsUnion AssociationSecond Baseman

On the career numbers, Tom O'Brien posted the stronger offensive profile against Robert Armstrong. Tom O'Brien posted stronger numbers in OPS (.590 vs .531) and on-base percentage (.267 vs .224). 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 Robert Armstrong and Tom O'Brien

Robert Armstrong
Career
Per 600 PA
1
1
Tom O'Brien
Careerverified
Per 600 PAverified
6
6
Robert Armstrong
Career
Per 600 PAverified
12
146.94
Tom O'Brien
Careerverified
Per 600 PA
270
139.06
Robert Armstrong
Career
Per 600 PA
49
600
Tom O'Brien
Careerverified
Per 600 PA
1165
600
Robert Armstrong
Career
Per 600 PAverified
49
600
Tom O'Brien
Careerverified
Per 600 PA
1111
572.19
Robert Armstrong
Career
Per 600 PA
0.225
0.225
Tom O'Brien
Careerverified
Per 600 PAverified
0.231
0.231
Robert Armstrong
Career
Per 600 PA
0.52
0.52
Tom O'Brien
Careerverified
Per 600 PAverified
0.609
0.609
Robert Armstrong
Career
Per 600 PAverified
11
134.69
Tom O'Brien
Careerverified
Per 600 PA
257
132.36
Robert Armstrong
Career
Per 600 PAverified
8
97.96
Tom O'Brien
Careerverified
Per 600 PA
183
94.25
Robert Armstrong
Career
Per 600 PA
2
24.49
Tom O'Brien
Careerverified
Per 600 PAverified
50
25.75
Robert Armstrong
Career
Per 600 PAverified
1
12.24
Tom O'Brien
Careerverified
Per 600 PA
20
10.3
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
4
2.06
Robert Armstrong
Career
Per 600 PA
3
36.73
Tom O'Brien
Careerverified
Per 600 PAverified
74
38.11
Robert Armstrong
Career
Per 600 PA
0.273
0.273
Tom O'Brien
Careerverified
Per 600 PAverified
0.288
0.288
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.004
0.004
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.016
0.016
Robert Armstrong
Career
Per 600 PA
3.03
37.14
Tom O'Brien
Careerverified
Per 600 PAverified
100.55
51.79
Robert Armstrong
Career
Per 600 PA
15
183.67
Tom O'Brien
Careerverified
Per 600 PAverified
359
184.89
Robert Armstrong
Career
Per 600 PA
11
134.69
Tom O'Brien
Careerverified
Per 600 PAverified
311
160.17
Robert Armstrong
Career
Per 600 PA
0.225
0.225
Tom O'Brien
Careerverified
Per 600 PAverified
0.267
0.267
Robert Armstrong
Career
Per 600 PA
0.306
0.306
Tom O'Brien
Careerverified
Per 600 PAverified
0.323
0.323
Robert Armstrong
Career
Per 600 PA
0.531
0.531
Tom O'Brien
Careerverified
Per 600 PAverified
0.59
0.59
Robert Armstrong
Career
Per 600 PA
0.082
0.082
Tom O'Brien
Careerverified
Per 600 PAverified
0.092
0.092
Robert Armstrong
Career
Per 600 PA
0.178
0.178
Tom O'Brien
Careerverified
Per 600 PAverified
0.201
0.201
Robert Armstrong
Career
Per 600 PA
0.385
0.385
Tom O'Brien
Careerverified
Per 600 PAverified
0.502
0.502
Robert Armstrong
Career
Per 600 PA
0.229
0.229
Tom O'Brien
Careerverified
Per 600 PAverified
0.234
0.234
Robert Armstrong
Career
Per 600 PAverified
9
110.2
Tom O'Brien
Careerverified
Per 600 PA
158
81.37
Robert Armstrong
Career
Per 600 PAverified
5
61.22
Tom O'Brien
Careerverified
Per 600 PA
61
31.42
Robert Armstrong
Career
Per 600 PAverified
14
171.43
Tom O'Brien
Careerverified
Per 600 PA
215
110.73
Robert Armstrong
Career
Per 600 PA
3.17
38.78
Tom O'Brien
Careerverified
Per 600 PAverified
109
56.14
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
2
1.03
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
52
26.78
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Robert Armstrong
Careerverified
Per 600 PAverified
1
12.24
Tom O'Brien
Career
Per 600 PA
24
12.36
Robert Armstrong
Careerverified
Per 600 PAverified
49
49
Tom O'Brien
Career
Per 600 PA
48.54
48.54
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
2.17
2.17
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
16
8.24
Robert Armstrong
Careerverified
Per 600 PAverified
1
12.24
Tom O'Brien
Career
Per 600 PA
0
0
Robert Armstrong
Career
Per 600 PAverified
1
12.24
Tom O'Brien
Careerverified
Per 600 PA
16
8.24
Robert Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
100
100

Fielding Stats for Robert Armstrong and Tom O'Brien

Robert Armstrong
Career
Per 9 Innings
1
1
Tom O'Brien
Careerverified
Per 9 Inningsverified
6
6
Robert Armstrong
Career
Per 9 Innings
12
0.94
Tom O'Brien
Careerverified
Per 9 Inningsverified
278
1.04
Robert Armstrong
Careerverified
Per 9 Inningsverified
12
0.94
Tom O'Brien
Career
Per 9 Innings
0
0
Robert Armstrong
Career
Per 9 Innings
345
27
Tom O'Brien
Careerverified
Per 9 Innings
7221
27
Robert Armstrong
Career
Per 9 Innings
115
9
Tom O'Brien
Careerverified
Per 9 Innings
2407
9
Robert Armstrong
Career
Per 9 Innings
29
2.27
Tom O'Brien
Careerverified
Per 9 Inningsverified
1353
5.06
Robert Armstrong
Career
Per 9 Innings
2
0.16
Tom O'Brien
Careerverified
Per 9 Inningsverified
433
1.62
Robert Armstrong
Careerverified
Per 9 Inningsverified
7
0.55
Tom O'Brien
Career
Per 9 Innings
187
0.7
Robert Armstrong
Career
Per 9 Innings
38
2.97
Tom O'Brien
Careerverified
Per 9 Inningsverified
1973
7.38
Robert Armstrong
Career
Per 9 Innings
31
2.43
Tom O'Brien
Careerverified
Per 9 Inningsverified
1786
6.68
Robert Armstrong
Career
Per 9 Innings
81.58
81.58
Tom O'Brien
Careerverified
Per 9 Inningsverified
90.52
90.52
Robert Armstrong
Career
Per 9 Innings
2.583
2.583
Tom O'Brien
Careerverified
Per 9 Inningsverified
6.425
6.425
Robert Armstrong
Careerverified
Per 9 Inningsverified
100
100
Tom O'Brien
Career
Per 9 Innings
0
0
Robert Armstrong
Career
Per 9 Innings
0
0
Tom O'Brien
Careerverified
Per 9 Inningsverified
87
0.33
Robert Armstrong
Careerverified
Per 9 Inningsverified
0
0
Tom O'Brien
Career
Per 9 Innings
2
0.01
Robert Armstrong
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Robert Armstrong
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Robert Armstrong
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0