Jose Alvarez vs. Dave Koslo — Career Comparison

Jose Alvarez
Baby BoomersFloridaThrows RightBats RightNorth AmericaAtlanta BravesNational LeagueRelief Pitcher
Dave Koslo
Greatest GenerationWisconsinThrows LeftBats LeftNorth AmericaNew York GiantsNational LeagueStarting Pitcher

Dave Koslo built a career as a starting pitcher and Jose Alvarez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Jose Alvarez posted stronger surface numbers — ERA 2.99 and WHIP 1.441 compared to 3.68 and 1.342 for Dave Koslo. By the career numbers, Jose Alvarez had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jose Alvarez and Dave Koslo

Jose Alvarez
Career
Per 9 Innings
4
4
Dave Koslo
Careerverified
Per 9 Inningsverified
12
12
Jose Alvarez
Career
Per 9 Inningsverified
98
5.43
Dave Koslo
Careerverified
Per 9 Innings
348
1.97
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Careerverified
Per 9 Inningsverified
189
1.07
Jose Alvarez
Career
Per 9 Innings
8
0.44
Dave Koslo
Careerverified
Per 9 Inningsverified
92
0.52
Jose Alvarez
Careerverified
Per 9 Inningsverified
9
0.5
Dave Koslo
Career
Per 9 Innings
107
0.61
Jose Alvarez
Careerverified
Per 9 Inningsverified
47.06
47.06
Dave Koslo
Career
Per 9 Innings
46.23
46.23
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Careerverified
Per 9 Inningsverified
54.31
54.31
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Careerverified
Per 9 Inningsverified
74
0.42
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Careerverified
Per 9 Inningsverified
15
0.08
Jose Alvarez
Career
Per 9 Inningsverified
5
0.28
Dave Koslo
Careerverified
Per 9 Innings
22
0.12
Jose Alvarez
Careerverified
Per 9 Inningsverified
54
2.99
Dave Koslo
Career
Per 9 Innings
651
3.68
Jose Alvarez
Careerverified
Per 9 Inningsverified
2.99
2.99
Dave Koslo
Career
Per 9 Innings
3.68
3.68
Jose Alvarez
Careerverified
Per 9 Inningsverified
3.55
3.55
Dave Koslo
Career
Per 9 Innings
3.73
3.73
Jose Alvarez
Careerverified
Per 9 Inningsverified
3.9
3.9
Dave Koslo
Career
Per 9 Innings
4.28
4.28
Jose Alvarez
Careerverified
Per 9 Inningsverified
0.24
0.24
Dave Koslo
Career
Per 9 Innings
0.256
0.256
Jose Alvarez
Career
Per 9 Innings
487
27
Dave Koslo
Careerverified
Per 9 Innings
4774
27
Jose Alvarez
Career
Per 9 Innings
162.1
9
Dave Koslo
Careerverified
Per 9 Innings
1591.1
9
Jose Alvarez
Careerverified
Per 9 Inningsverified
140
7.76
Dave Koslo
Career
Per 9 Innings
1597
9.03
Jose Alvarez
Careerverified
Per 9 Inningsverified
7.76
7.76
Dave Koslo
Career
Per 9 Innings
9.03
9.03
Jose Alvarez
Careerverified
Per 9 Inningsverified
12
0.67
Dave Koslo
Career
Per 9 Innings
121
0.68
Jose Alvarez
Careerverified
Per 9 Inningsverified
0.67
0.67
Dave Koslo
Career
Per 9 Innings
0.68
0.68
Jose Alvarez
Careerverified
Per 9 Inningsverified
0.12
0.12
Dave Koslo
Career
Per 9 Innings
0.35
0.35
Jose Alvarez
Careerverified
Per 9 Innings
79
4.38
Dave Koslo
Career
Per 9 Inningsverified
538
3.04
Jose Alvarez
Career
Per 9 Innings
15
0.83
Dave Koslo
Careerverified
Per 9 Inningsverified
0
0
Jose Alvarez
Career
Per 9 Innings
4.38
4.38
Dave Koslo
Careerverified
Per 9 Inningsverified
3.04
3.04
Jose Alvarez
Career
Per 9 Inningsverified
134
7.43
Dave Koslo
Careerverified
Per 9 Innings
606
3.43
Jose Alvarez
Careerverified
Per 9 Inningsverified
7.43
7.43
Dave Koslo
Career
Per 9 Innings
3.43
3.43
Jose Alvarez
Career
Per 9 Innings
1.37
1.37
Dave Koslo
Careerverified
Per 9 Inningsverified
1.74
1.74
Jose Alvarez
Careerverified
Per 9 Inningsverified
1.312
1.312
Dave Koslo
Career
Per 9 Innings
0.719
0.719
Jose Alvarez
Careerverified
Per 9 Innings
7
0.39
Dave Koslo
Career
Per 9 Inningsverified
21
0.12
Jose Alvarez
Careerverified
Per 9 Innings
7
0.39
Dave Koslo
Career
Per 9 Inningsverified
20
0.11
Jose Alvarez
Career
Per 9 Innings
2
0.11
Dave Koslo
Careerverified
Per 9 Inningsverified
1
0.01
Jose Alvarez
Career
Per 9 Innings
688
38.14
Dave Koslo
Careerverified
Per 9 Inningsverified
6803
38.48
Jose Alvarez
Career
Per 9 Inningsverified
38
2.11
Dave Koslo
Careerverified
Per 9 Innings
93
0.53
Jose Alvarez
Careerverified
Per 9 Inningsverified
56
3.1
Dave Koslo
Career
Per 9 Innings
740
4.19
Jose Alvarez
Careerverified
Per 9 Inningsverified
3.1
3.1
Dave Koslo
Career
Per 9 Innings
4.19
4.19
Jose Alvarez
Career
Per 9 Innings
14
0.78
Dave Koslo
Careerverified
Per 9 Inningsverified
0
0
Jose Alvarez
Career
Per 9 Innings
4
0.22
Dave Koslo
Careerverified
Per 9 Inningsverified
0
0
Jose Alvarez
Careerverified
Per 9 Inningsverified
15
0.83
Dave Koslo
Career
Per 9 Innings
0
0
Jose Alvarez
Career
Per 9 Innings
1.349
1.349
Dave Koslo
Careerverified
Per 9 Inningsverified
1.342
1.342
Jose Alvarez
Career
Per 9 Innings
584
32.38
Dave Koslo
Careerverified
Per 9 Inningsverified
6245
35.32
Jose Alvarez
Careerverified
Per 9 Inningsverified
0.57
0.57
Dave Koslo
Career
Per 9 Innings
2.13
2.13
Jose Alvarez
Career
Per 9 Innings
0.292
0.292
Dave Koslo
Careerverified
Per 9 Inningsverified
0.268
0.268
Jose Alvarez
Career
Per 9 Innings
38.14
38.14
Dave Koslo
Careerverified
Per 9 Inningsverified
38.48
38.48

Fielding Stats for Jose Alvarez and Dave Koslo

Jose Alvarez
Career
Per 9 Innings
4
4
Dave Koslo
Careerverified
Per 9 Inningsverified
12
12
Jose Alvarez
Career
Per 9 Innings
98
5.43
Dave Koslo
Careerverified
Per 9 Inningsverified
348
98.91
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Careerverified
Per 9 Inningsverified
1
0.28
Jose Alvarez
Careerverified
Per 9 Innings
487
27
Dave Koslo
Career
Per 9 Innings
95
27
Jose Alvarez
Careerverified
Per 9 Innings
162.1
9
Dave Koslo
Career
Per 9 Innings
31.2
9
Jose Alvarez
Career
Per 9 Innings
16
0.89
Dave Koslo
Careerverified
Per 9 Inningsverified
75
21.32
Jose Alvarez
Career
Per 9 Innings
27
1.5
Dave Koslo
Careerverified
Per 9 Inningsverified
307
87.25
Jose Alvarez
Careerverified
Per 9 Inningsverified
0
0
Dave Koslo
Career
Per 9 Innings
14
3.98
Jose Alvarez
Career
Per 9 Innings
43
2.38
Dave Koslo
Careerverified
Per 9 Inningsverified
396
112.55
Jose Alvarez
Career
Per 9 Innings
43
2.38
Dave Koslo
Careerverified
Per 9 Inningsverified
382
108.57
Jose Alvarez
Careerverified
Per 9 Inningsverified
100
100
Dave Koslo
Career
Per 9 Innings
96.46
96.46
Jose Alvarez
Career
Per 9 Innings
0.439
0.439
Dave Koslo
Careerverified
Per 9 Inningsverified
1.098
1.098
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Careerverified
Per 9 Inningsverified
0.29
0.29
Jose Alvarez
Career
Per 9 Innings
5
0.28
Dave Koslo
Careerverified
Per 9 Inningsverified
23
6.54
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Career
Per 9 Innings
0
0
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Career
Per 9 Innings
0
0
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Career
Per 9 Innings
0
0
Jose Alvarez
Career
Per 9 Innings
0
0
Dave Koslo
Career
Per 9 Innings
0
0

Hitting Stats for Jose Alvarez and Dave Koslo

Jose Alvarez
Career
Per 600 PA
4
4
Dave Koslo
Careerverified
Per 600 PAverified
12
12
Jose Alvarez
Career
Per 600 PAverified
99
3960
Dave Koslo
Careerverified
Per 600 PA
350
367.78
Jose Alvarez
Career
Per 600 PA
15
600
Dave Koslo
Careerverified
Per 600 PA
571
600
Jose Alvarez
Career
Per 600 PA
11
440
Dave Koslo
Careerverified
Per 600 PAverified
516
542.21
Jose Alvarez
Careerverified
Per 600 PAverified
0.273
0.273
Dave Koslo
Career
Per 600 PA
0.109
0.109
Jose Alvarez
Careerverified
Per 600 PAverified
0.7
0.7
Dave Koslo
Career
Per 600 PA
0.363
0.363
Jose Alvarez
Career
Per 600 PAverified
3
120
Dave Koslo
Careerverified
Per 600 PA
56
58.84
Jose Alvarez
Career
Per 600 PAverified
3
120
Dave Koslo
Careerverified
Per 600 PA
41
43.08
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
12
12.61
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Career
Per 600 PA
0
0
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
3
3.15
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
15
15.76
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
0.268
0.268
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
0.006
0.006
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
0.054
0.054
Jose Alvarez
Career
Per 600 PAverified
1.02
40.93
Dave Koslo
Careerverified
Per 600 PA
14.88
15.63
Jose Alvarez
Career
Per 600 PAverified
3
120
Dave Koslo
Careerverified
Per 600 PA
77
80.91
Jose Alvarez
Career
Per 600 PAverified
4
160
Dave Koslo
Careerverified
Per 600 PA
93
97.72
Jose Alvarez
Careerverified
Per 600 PAverified
0.333
0.333
Dave Koslo
Career
Per 600 PA
0.168
0.168
Jose Alvarez
Careerverified
Per 600 PAverified
0.273
0.273
Dave Koslo
Career
Per 600 PA
0.149
0.149
Jose Alvarez
Careerverified
Per 600 PAverified
0.606
0.606
Dave Koslo
Career
Per 600 PA
0.317
0.317
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
0.041
0.041
Jose Alvarez
Careerverified
Per 600 PAverified
0.218
0.218
Dave Koslo
Career
Per 600 PA
0.113
0.113
Jose Alvarez
Careerverified
Per 600 PAverified
0.5
0.5
Dave Koslo
Career
Per 600 PA
0.247
0.247
Jose Alvarez
Careerverified
Per 600 PAverified
0.333
0.333
Dave Koslo
Career
Per 600 PA
0.182
0.182
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
31
32.57
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
30
31.52
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
58
60.95
Jose Alvarez
Careerverified
Per 600 PAverified
1.44
57.76
Dave Koslo
Career
Per 600 PA
-1.47
-1.54
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
1
1.05
Jose Alvarez
Career
Per 600 PAverified
1
40
Dave Koslo
Careerverified
Per 600 PA
36
37.83
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Career
Per 600 PA
0
0
Jose Alvarez
Careerverified
Per 600 PAverified
2
80
Dave Koslo
Career
Per 600 PA
222
233.27
Jose Alvarez
Careerverified
Per 600 PAverified
7.5
7.5
Dave Koslo
Career
Per 600 PA
2.57
2.57
Jose Alvarez
Careerverified
Per 600 PAverified
0.5
0.5
Dave Koslo
Career
Per 600 PA
0.16
0.16
Jose Alvarez
Career
Per 600 PAverified
3
120
Dave Koslo
Careerverified
Per 600 PA
18
18.91
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Career
Per 600 PA
0
0
Jose Alvarez
Careerverified
Per 600 PAverified
0
0
Dave Koslo
Career
Per 600 PA
5
5.25
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
1
1.05
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
1
1.05
Jose Alvarez
Career
Per 600 PA
0
0
Dave Koslo
Careerverified
Per 600 PAverified
2
2.1
Jose Alvarez
Career
Per 600 PA
Dave Koslo
Careerverified
Per 600 PAverified
50
50