Mark Brown vs. Frank Keffer — Career Comparison

Mark Brown
Baby BoomersVermontThrows RightBats SwitchNorth AmericaBaltimore OriolesAmerican LeagueRelief Pitcher
Frank Keffer
Pre-GenerationalPennsylvaniaNorth AmericaSyracuse StarsAmerican AssociationRelief Pitcher

Looking at the career totals, Mark Brown and Frank Keffer are fairly close on the surface numbers. Mark Brown carried a career ERA of 5.12 against Frank Keffer's 5.63. The surface numbers don't cleanly separate Mark Brown and Frank Keffer — era context would be needed for a firmer verdict.

Pitching Stats for Mark Brown and Frank Keffer

Mark Brown
Careerverified
Per 9 Inningsverified
2
2
Frank Keffer
Career
Per 9 Innings
1
1
Mark Brown
Careerverified
Per 9 Inningsverified
15
3.49
Frank Keffer
Career
Per 9 Innings
2
1.13
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Careerverified
Per 9 Inningsverified
1
0.56
Mark Brown
Career
Per 9 Innings
1
0.23
Frank Keffer
Career
Per 9 Inningsverified
1
0.56
Mark Brown
Career
Per 9 Inningsverified
2
0.47
Frank Keffer
Careerverified
Per 9 Innings
1
0.56
Mark Brown
Career
Per 9 Innings
33.33
33.33
Frank Keffer
Careerverified
Per 9 Inningsverified
50
50
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Careerverified
Per 9 Inningsverified
50
50
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Careerverified
Per 9 Inningsverified
1
0.56
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Career
Per 9 Inningsverified
22
5.12
Frank Keffer
Careerverified
Per 9 Innings
10
5.63
Mark Brown
Careerverified
Per 9 Inningsverified
5.12
5.12
Frank Keffer
Career
Per 9 Innings
5.63
5.63
Mark Brown
Career
Per 9 Innings
4.59
4.59
Frank Keffer
Careerverified
Per 9 Inningsverified
3.58
3.58
Mark Brown
Career
Per 9 Innings
4.4
4.4
Frank Keffer
Careerverified
Per 9 Inningsverified
4.19
4.19
Mark Brown
Career
Per 9 Innings
0.289
0.289
Frank Keffer
Careerverified
Per 9 Inningsverified
0.242
0.242
Mark Brown
Careerverified
Per 9 Innings
116
27
Frank Keffer
Career
Per 9 Innings
48
27
Mark Brown
Careerverified
Per 9 Innings
38.2
9
Frank Keffer
Career
Per 9 Innings
16
9
Mark Brown
Career
Per 9 Innings
43
10.01
Frank Keffer
Careerverified
Per 9 Inningsverified
15
8.44
Mark Brown
Career
Per 9 Innings
10.01
10.01
Frank Keffer
Careerverified
Per 9 Inningsverified
8.44
8.44
Mark Brown
Career
Per 9 Innings
3
0.7
Frank Keffer
Careerverified
Per 9 Inningsverified
0
0
Mark Brown
Career
Per 9 Innings
0.7
0.7
Frank Keffer
Careerverified
Per 9 Inningsverified
0
0
Mark Brown
Career
Per 9 Innings
0.2
0.2
Frank Keffer
Careerverified
Per 9 Inningsverified
0
0
Mark Brown
Career
Per 9 Inningsverified
14
3.26
Frank Keffer
Careerverified
Per 9 Innings
9
5.06
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Careerverified
Per 9 Inningsverified
3.26
3.26
Frank Keffer
Career
Per 9 Innings
5.06
5.06
Mark Brown
Careerverified
Per 9 Inningsverified
15
3.49
Frank Keffer
Career
Per 9 Innings
4
2.25
Mark Brown
Careerverified
Per 9 Inningsverified
3.49
3.49
Frank Keffer
Career
Per 9 Innings
2.25
2.25
Mark Brown
Career
Per 9 Innings
1
1
Frank Keffer
Careerverified
Per 9 Inningsverified
2
2
Mark Brown
Career
Per 9 Innings
0.75
0.75
Frank Keffer
Careerverified
Per 9 Inningsverified
0.813
0.813
Mark Brown
Career
Per 9 Innings
1
0.23
Frank Keffer
Careerverified
Per 9 Inningsverified
0
0
Mark Brown
Career
Per 9 Innings
1
0.23
Frank Keffer
Careerverified
Per 9 Inningsverified
0
0
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Careerverified
Per 9 Innings
167
38.87
Frank Keffer
Career
Per 9 Inningsverified
71
39.94
Mark Brown
Careerverified
Per 9 Inningsverified
7
1.63
Frank Keffer
Career
Per 9 Innings
1
0.56
Mark Brown
Career
Per 9 Inningsverified
24
5.59
Frank Keffer
Careerverified
Per 9 Innings
13
7.31
Mark Brown
Careerverified
Per 9 Inningsverified
5.59
5.59
Frank Keffer
Career
Per 9 Innings
7.31
7.31
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Career
Per 9 Innings
3
0.7
Frank Keffer
Careerverified
Per 9 Inningsverified
0
0
Mark Brown
Careerverified
Per 9 Inningsverified
7
1.63
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Careerverified
Per 9 Inningsverified
1.474
1.474
Frank Keffer
Career
Per 9 Innings
1.5
1.5
Mark Brown
Careerverified
Per 9 Innings
149
34.68
Frank Keffer
Career
Per 9 Inningsverified
62
34.88
Mark Brown
Careerverified
Per 9 Inningsverified
1.6
1.6
Frank Keffer
Career
Per 9 Innings
6.5
6.5
Mark Brown
Career
Per 9 Innings
0.305
0.305
Frank Keffer
Careerverified
Per 9 Inningsverified
0.259
0.259
Mark Brown
Career
Per 9 Innings
38.87
38.87
Frank Keffer
Careerverified
Per 9 Inningsverified
39.94
39.94

Fielding Stats for Mark Brown and Frank Keffer

Mark Brown
Careerverified
Per 9 Inningsverified
2
2
Frank Keffer
Career
Per 9 Innings
1
1
Mark Brown
Careerverified
Per 9 Inningsverified
15
3.49
Frank Keffer
Career
Per 9 Innings
2
1.13
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Careerverified
Per 9 Innings
116
27
Frank Keffer
Career
Per 9 Innings
48
27
Mark Brown
Careerverified
Per 9 Innings
38.2
9
Frank Keffer
Career
Per 9 Innings
16
9
Mark Brown
Career
Per 9 Innings
1
0.23
Frank Keffer
Career
Per 9 Inningsverified
1
0.56
Mark Brown
Career
Per 9 Innings
3
0.7
Frank Keffer
Careerverified
Per 9 Inningsverified
5
2.81
Mark Brown
Careerverified
Per 9 Inningsverified
0
0
Frank Keffer
Career
Per 9 Innings
1
0.56
Mark Brown
Career
Per 9 Innings
4
0.93
Frank Keffer
Careerverified
Per 9 Inningsverified
7
3.94
Mark Brown
Career
Per 9 Innings
4
0.93
Frank Keffer
Careerverified
Per 9 Inningsverified
6
3.38
Mark Brown
Careerverified
Per 9 Inningsverified
100
100
Frank Keffer
Career
Per 9 Innings
85.71
85.71
Mark Brown
Career
Per 9 Innings
0.267
0.267
Frank Keffer
Careerverified
Per 9 Inningsverified
3
3
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0
Mark Brown
Career
Per 9 Innings
0
0
Frank Keffer
Career
Per 9 Innings
0
0

Hitting Stats for Mark Brown and Frank Keffer

Mark Brown
Careerverified
Per 600 PA
2
Frank Keffer
Career
Per 600 PAverified
1
1
Mark Brown
Careerverified
Per 600 PA
15
Frank Keffer
Career
Per 600 PAverified
2
171.43
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Careerverified
Per 600 PAverified
7
600
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Careerverified
Per 600 PAverified
7
600
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
0.143
0.143
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
0.286
0.286
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Careerverified
Per 600 PAverified
1
85.71
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Careerverified
Per 600 PAverified
1
85.71
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
0.13
10.96
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Careerverified
Per 600 PAverified
1
85.71
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Careerverified
Per 600 PAverified
1
85.71
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
0.143
0.143
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
0.143
0.143
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
0.286
0.286
Mark Brown
Career
Per 600 PA
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
0.1
0.1
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
0.167
0.167
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
0.143
0.143
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Careerverified
Per 600 PAverified
1
85.71
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Careerverified
Per 600 PAverified
1
85.71
Mark Brown
Career
Per 600 PA
Frank Keffer
Careerverified
Per 600 PAverified
-0.01
-1.16
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
Frank Keffer
Career
Per 600 PA
Mark Brown
Career
Per 600 PA
Frank Keffer
Career
Per 600 PA
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
0
Frank Keffer
Career
Per 600 PA
0
0
Mark Brown
Career
Per 600 PA
Frank Keffer
Career
Per 600 PA