Mike Armstrong vs. Tom O'Brien — Career Comparison

You might be looking for a matchup, check Mike Armstrong's matchup page instead!

Mike Armstrong
Baby BoomersNew YorkThrows RightBats RightNorth AmericaKansas City RoyalsAmerican LeagueRelief Pitcher
Tom O'Brien
Pre-GenerationalMassachusettsThrows RightBats RightNorth AmericaBoston RedsUnion AssociationSecond Baseman

Tom O'Brien is a position player and Mike Armstrong 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 Mike Armstrong, check out their matchup page.

Pitching Stats for Mike Armstrong and Tom O'Brien

Mike Armstrong
Careerverified
Per 9 Inningsverified
8
8
Tom O'Brien
Career
Per 9 Innings
1
1
Mike Armstrong
Careerverified
Per 9 Inningsverified
197
5.25
Tom O'Brien
Career
Per 9 Innings
1
2.45
Mike Armstrong
Careerverified
Per 9 Inningsverified
1
0.03
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
19
0.51
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
17
0.45
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
52.78
52.78
Tom O'Brien
Career
Per 9 Innings
Mike Armstrong
Careerverified
Per 9 Inningsverified
0.51
0.51
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
11
0.29
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Inningsverified
154
4.1
Tom O'Brien
Careerverified
Per 9 Innings
3
7.36
Mike Armstrong
Careerverified
Per 9 Inningsverified
4.1
4.1
Tom O'Brien
Career
Per 9 Innings
7.36
7.36
Mike Armstrong
Careerverified
Per 9 Inningsverified
3.85
3.85
Tom O'Brien
Career
Per 9 Innings
6.13
6.13
Mike Armstrong
Careerverified
Per 9 Inningsverified
4.74
4.74
Tom O'Brien
Career
Per 9 Innings
7.09
7.09
Mike Armstrong
Career
Per 9 Innings
0.24
0.24
Tom O'Brien
Careerverified
Per 9 Inningsverified
0.211
0.211
Mike Armstrong
Careerverified
Per 9 Innings
1014
27
Tom O'Brien
Career
Per 9 Innings
11
27
Mike Armstrong
Careerverified
Per 9 Innings
338
9
Tom O'Brien
Career
Per 9 Innings
3.2
9
Mike Armstrong
Career
Per 9 Inningsverified
300
7.99
Tom O'Brien
Careerverified
Per 9 Innings
4
9.82
Mike Armstrong
Careerverified
Per 9 Inningsverified
7.99
7.99
Tom O'Brien
Career
Per 9 Innings
9.82
9.82
Mike Armstrong
Career
Per 9 Innings
42
1.12
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Career
Per 9 Innings
1.12
1.12
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Career
Per 9 Innings
0.21
0.21
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Career
Per 9 Inningsverified
155
4.13
Tom O'Brien
Careerverified
Per 9 Innings
5
12.27
Mike Armstrong
Career
Per 9 Innings
20
0.53
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
4.13
4.13
Tom O'Brien
Career
Per 9 Innings
12.27
12.27
Mike Armstrong
Careerverified
Per 9 Inningsverified
221
5.88
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
5.88
5.88
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
1.12
1.12
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
1.112
1.112
Tom O'Brien
Careerverified
Per 9 Inningsverified
1.364
1.364
Mike Armstrong
Career
Per 9 Innings
16
0.43
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Career
Per 9 Innings
6
0.16
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Career
Per 9 Innings
2
0.05
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Careerverified
Per 9 Innings
1439
38.32
Tom O'Brien
Career
Per 9 Inningsverified
24
58.91
Mike Armstrong
Careerverified
Per 9 Inningsverified
94
2.5
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Inningsverified
170
4.53
Tom O'Brien
Careerverified
Per 9 Innings
5
12.27
Mike Armstrong
Careerverified
Per 9 Inningsverified
4.53
4.53
Tom O'Brien
Career
Per 9 Innings
12.27
12.27
Mike Armstrong
Career
Per 9 Innings
11
0.29
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Career
Per 9 Innings
15
0.4
Tom O'Brien
Careerverified
Per 9 Inningsverified
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
19
0.51
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Careerverified
Per 9 Inningsverified
1.346
1.346
Tom O'Brien
Career
Per 9 Innings
2.455
2.455
Mike Armstrong
Careerverified
Per 9 Innings
1252
33.34
Tom O'Brien
Career
Per 9 Inningsverified
19
46.64
Mike Armstrong
Careerverified
Per 9 Inningsverified
0.86
0.86
Tom O'Brien
Career
Per 9 Innings
5
5
Mike Armstrong
Career
Per 9 Innings
0.261
0.261
Tom O'Brien
Careerverified
Per 9 Inningsverified
0.211
0.211
Mike Armstrong
Career
Per 9 Innings
38.32
38.32
Tom O'Brien
Careerverified
Per 9 Inningsverified
58.91
58.91

Fielding Stats for Mike Armstrong and Tom O'Brien

Mike Armstrong
Careerverified
Per 9 Inningsverified
8
8
Tom O'Brien
Career
Per 9 Innings
6
6
Mike Armstrong
Career
Per 9 Inningsverified
197
5.25
Tom O'Brien
Careerverified
Per 9 Innings
278
1.04
Mike Armstrong
Careerverified
Per 9 Inningsverified
1
0.03
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
1014
27
Tom O'Brien
Careerverified
Per 9 Innings
7221
27
Mike Armstrong
Career
Per 9 Innings
338
9
Tom O'Brien
Careerverified
Per 9 Innings
2407
9
Mike Armstrong
Career
Per 9 Innings
28
0.75
Tom O'Brien
Careerverified
Per 9 Inningsverified
1353
5.06
Mike Armstrong
Career
Per 9 Innings
28
0.75
Tom O'Brien
Careerverified
Per 9 Inningsverified
433
1.62
Mike Armstrong
Careerverified
Per 9 Inningsverified
4
0.11
Tom O'Brien
Career
Per 9 Innings
187
0.7
Mike Armstrong
Career
Per 9 Innings
60
1.6
Tom O'Brien
Careerverified
Per 9 Inningsverified
1973
7.38
Mike Armstrong
Career
Per 9 Innings
56
1.49
Tom O'Brien
Careerverified
Per 9 Inningsverified
1786
6.68
Mike Armstrong
Careerverified
Per 9 Inningsverified
93.33
93.33
Tom O'Brien
Career
Per 9 Innings
90.52
90.52
Mike Armstrong
Career
Per 9 Innings
0.284
0.284
Tom O'Brien
Careerverified
Per 9 Inningsverified
6.425
6.425
Mike Armstrong
Careerverified
Per 9 Inningsverified
0.51
0.51
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
3
0.08
Tom O'Brien
Careerverified
Per 9 Inningsverified
87
0.33
Mike Armstrong
Careerverified
Per 9 Inningsverified
0
0
Tom O'Brien
Career
Per 9 Innings
2
0.01
Mike Armstrong
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0
Mike Armstrong
Career
Per 9 Innings
0
0
Tom O'Brien
Career
Per 9 Innings
0
0

Hitting Stats for Mike Armstrong and Tom O'Brien

Mike Armstrong
Careerverified
Per 600 PAverified
8
8
Tom O'Brien
Career
Per 600 PA
6
6
Mike Armstrong
Career
Per 600 PAverified
198
39600
Tom O'Brien
Careerverified
Per 600 PA
270
139.06
Mike Armstrong
Career
Per 600 PA
3
600
Tom O'Brien
Careerverified
Per 600 PA
1165
600
Mike Armstrong
Career
Per 600 PAverified
3
600
Tom O'Brien
Careerverified
Per 600 PA
1111
572.19
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.231
0.231
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.609
0.609
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
257
132.36
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
183
94.25
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
50
25.75
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
20
10.3
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
4
2.06
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
74
38.11
Mike Armstrong
Career
Per 600 PA
Tom O'Brien
Careerverified
Per 600 PAverified
0.288
0.288
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.004
0.004
Mike Armstrong
Career
Per 600 PA
Tom O'Brien
Careerverified
Per 600 PAverified
0.016
0.016
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
100.55
51.79
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
359
184.89
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
311
160.17
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.267
0.267
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.323
0.323
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.59
0.59
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.092
0.092
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.201
0.201
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
0.502
0.502
Mike Armstrong
Career
Per 600 PA
Tom O'Brien
Careerverified
Per 600 PAverified
0.234
0.234
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
158
81.37
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
61
31.42
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
215
110.73
Mike Armstrong
Career
Per 600 PA
-0.33
-66.4
Tom O'Brien
Careerverified
Per 600 PAverified
109
56.14
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
2
1.03
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
52
26.78
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Mike Armstrong
Careerverified
Per 600 PA
3
600
Tom O'Brien
Career
Per 600 PAverified
24
12.36
Mike Armstrong
Career
Per 600 PA
1
1
Tom O'Brien
Careerverified
Per 600 PAverified
48.54
48.54
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
2.17
2.17
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
16
8.24
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Career
Per 600 PA
0
0
Mike Armstrong
Career
Per 600 PA
0
0
Tom O'Brien
Careerverified
Per 600 PAverified
16
8.24
Mike Armstrong
Career
Per 600 PA
Tom O'Brien
Careerverified
Per 600 PAverified
100
100