Andy Boswell vs. Zach Day — Career Comparison

Andy Boswell
Pre-GenerationalNew JerseyThrows RightNorth AmericaWashington NationalsNational LeagueRelief Pitcher
Zach Day
Gen XOhioThrows RightBats RightNorth AmericaMontreal ExposNational LeagueStarting Pitcher

Zach Day built a career as a starting pitcher and Andy Boswell as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Zach Day posted stronger surface numbers — ERA 4.66 and WHIP 1.554 compared to 5.91 and 1.969 for Andy Boswell. By the career numbers, Zach Day had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Andy Boswell and Zach Day

Andy Boswell
Career
Per 9 Innings
1
1
Zach Day
Careerverified
Per 9 Inningsverified
5
5
Andy Boswell
Career
Per 9 Innings
11
1.55
Zach Day
Careerverified
Per 9 Inningsverified
86
2.08
Andy Boswell
Career
Per 9 Innings
7
0.98
Zach Day
Careerverified
Per 9 Inningsverified
60
1.45
Andy Boswell
Career
Per 9 Innings
3
0.42
Zach Day
Careerverified
Per 9 Inningsverified
21
0.51
Andy Boswell
Careerverified
Per 9 Inningsverified
4
0.56
Zach Day
Career
Per 9 Innings
27
0.65
Andy Boswell
Career
Per 9 Innings
42.86
42.86
Zach Day
Careerverified
Per 9 Inningsverified
43.75
43.75
Andy Boswell
Career
Per 9 Innings
63.64
63.64
Zach Day
Careerverified
Per 9 Inningsverified
69.77
69.77
Andy Boswell
Careerverified
Per 9 Inningsverified
6
0.84
Zach Day
Career
Per 9 Innings
2
0.05
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Careerverified
Per 9 Inningsverified
2
0.05
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Careerverified
Per 9 Inningsverified
1
0.02
Andy Boswell
Careerverified
Per 9 Innings
42
5.91
Zach Day
Career
Per 9 Inningsverified
193
4.66
Andy Boswell
Career
Per 9 Innings
5.91
5.91
Zach Day
Careerverified
Per 9 Inningsverified
4.66
4.66
Andy Boswell
Career
Per 9 Innings
6.74
6.74
Zach Day
Careerverified
Per 9 Inningsverified
4.68
4.68
Andy Boswell
Careerverified
Per 9 Inningsverified
4.63
4.63
Zach Day
Career
Per 9 Innings
4.74
4.74
Andy Boswell
Career
Per 9 Innings
0.314
0.314
Zach Day
Careerverified
Per 9 Inningsverified
0.27
0.27
Andy Boswell
Career
Per 9 Innings
192
27
Zach Day
Careerverified
Per 9 Innings
1118
27
Andy Boswell
Career
Per 9 Innings
64
9
Zach Day
Careerverified
Per 9 Innings
372.2
9
Andy Boswell
Careerverified
Per 9 Innings
85
11.95
Zach Day
Career
Per 9 Inningsverified
389
9.39
Andy Boswell
Career
Per 9 Innings
11.95
11.95
Zach Day
Careerverified
Per 9 Inningsverified
9.39
9.39
Andy Boswell
Careerverified
Per 9 Inningsverified
2
0.28
Zach Day
Career
Per 9 Innings
35
0.85
Andy Boswell
Careerverified
Per 9 Inningsverified
0.28
0.28
Zach Day
Career
Per 9 Innings
0.85
0.85
Andy Boswell
Careerverified
Per 9 Inningsverified
0.18
0.18
Zach Day
Career
Per 9 Innings
0.41
0.41
Andy Boswell
Careerverified
Per 9 Innings
41
5.77
Zach Day
Career
Per 9 Inningsverified
172
4.15
Andy Boswell
Careerverified
Per 9 Inningsverified
0
0
Zach Day
Career
Per 9 Innings
18
0.43
Andy Boswell
Career
Per 9 Innings
5.77
5.77
Zach Day
Careerverified
Per 9 Inningsverified
4.15
4.15
Andy Boswell
Career
Per 9 Innings
30
4.22
Zach Day
Careerverified
Per 9 Inningsverified
189
4.56
Andy Boswell
Career
Per 9 Innings
4.22
4.22
Zach Day
Careerverified
Per 9 Inningsverified
4.56
4.56
Andy Boswell
Careerverified
Per 9 Inningsverified
2.73
2.73
Zach Day
Career
Per 9 Innings
2.2
2.2
Andy Boswell
Careerverified
Per 9 Inningsverified
1.109
1.109
Zach Day
Career
Per 9 Innings
0.969
0.969
Andy Boswell
Careerverified
Per 9 Innings
7
0.98
Zach Day
Career
Per 9 Inningsverified
22
0.53
Andy Boswell
Careerverified
Per 9 Innings
5
0.7
Zach Day
Career
Per 9 Inningsverified
19
0.46
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Career
Per 9 Innings
0
0
Andy Boswell
Career
Per 9 Inningsverified
317
44.58
Zach Day
Careerverified
Per 9 Innings
1648
39.8
Andy Boswell
Career
Per 9 Inningsverified
4
0.56
Zach Day
Careerverified
Per 9 Innings
9
0.22
Andy Boswell
Careerverified
Per 9 Innings
67
9.42
Zach Day
Career
Per 9 Inningsverified
207
5
Andy Boswell
Career
Per 9 Innings
9.42
9.42
Zach Day
Careerverified
Per 9 Inningsverified
5
5
Andy Boswell
Careerverified
Per 9 Inningsverified
0
0
Zach Day
Career
Per 9 Innings
9
0.22
Andy Boswell
Careerverified
Per 9 Inningsverified
0
0
Zach Day
Career
Per 9 Innings
9
0.22
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Careerverified
Per 9 Inningsverified
49
1.18
Andy Boswell
Career
Per 9 Innings
1.969
1.969
Zach Day
Careerverified
Per 9 Inningsverified
1.505
1.505
Andy Boswell
Career
Per 9 Inningsverified
271
38.11
Zach Day
Careerverified
Per 9 Innings
1439
34.75
Andy Boswell
Career
Per 9 Innings
6.09
6.09
Zach Day
Careerverified
Per 9 Inningsverified
2.41
2.41
Andy Boswell
Career
Per 9 Innings
0.347
0.347
Zach Day
Careerverified
Per 9 Inningsverified
0.291
0.291
Andy Boswell
Careerverified
Per 9 Inningsverified
44.58
44.58
Zach Day
Career
Per 9 Innings
39.8
39.8

Fielding Stats for Andy Boswell and Zach Day

Andy Boswell
Career
Per 9 Innings
1
1
Zach Day
Careerverified
Per 9 Inningsverified
5
5
Andy Boswell
Career
Per 9 Innings
12
1.52
Zach Day
Careerverified
Per 9 Inningsverified
86
2.08
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Careerverified
Per 9 Inningsverified
60
1.45
Andy Boswell
Career
Per 9 Innings
213
27
Zach Day
Careerverified
Per 9 Innings
1118
27
Andy Boswell
Career
Per 9 Innings
71
9
Zach Day
Careerverified
Per 9 Innings
372.2
9
Andy Boswell
Career
Per 9 Inningsverified
14
1.77
Zach Day
Careerverified
Per 9 Innings
32
0.77
Andy Boswell
Career
Per 9 Innings
6
0.76
Zach Day
Careerverified
Per 9 Inningsverified
56
1.35
Andy Boswell
Career
Per 9 Innings
5
0.63
Zach Day
Careerverified
Per 9 Inningsverified
1
0.02
Andy Boswell
Career
Per 9 Inningsverified
25
3.17
Zach Day
Careerverified
Per 9 Innings
89
2.15
Andy Boswell
Career
Per 9 Inningsverified
20
2.54
Zach Day
Careerverified
Per 9 Innings
88
2.13
Andy Boswell
Career
Per 9 Innings
80
80
Zach Day
Careerverified
Per 9 Inningsverified
98.88
98.88
Andy Boswell
Careerverified
Per 9 Inningsverified
1.667
1.667
Zach Day
Career
Per 9 Innings
1.023
1.023
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Careerverified
Per 9 Inningsverified
69.77
69.77
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Careerverified
Per 9 Inningsverified
5
0.12
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Career
Per 9 Innings
0
0
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Career
Per 9 Innings
0
0
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Career
Per 9 Innings
0
0
Andy Boswell
Career
Per 9 Innings
0
0
Zach Day
Career
Per 9 Innings
0
0

Hitting Stats for Andy Boswell and Zach Day

Andy Boswell
Career
Per 600 PA
1
1
Zach Day
Careerverified
Per 600 PAverified
5
5
Andy Boswell
Career
Per 600 PA
12
218.18
Zach Day
Careerverified
Per 600 PAverified
86
444.83
Andy Boswell
Career
Per 600 PA
33
600
Zach Day
Careerverified
Per 600 PA
116
600
Andy Boswell
Career
Per 600 PAverified
30
545.45
Zach Day
Careerverified
Per 600 PA
105
543.1
Andy Boswell
Careerverified
Per 600 PAverified
0.233
0.233
Zach Day
Career
Per 600 PA
0.057
0.057
Andy Boswell
Careerverified
Per 600 PAverified
0.609
0.609
Zach Day
Career
Per 600 PA
0.233
0.233
Andy Boswell
Careerverified
Per 600 PAverified
7
127.27
Zach Day
Career
Per 600 PA
6
31.03
Andy Boswell
Careerverified
Per 600 PAverified
7
127.27
Zach Day
Career
Per 600 PA
5
25.86
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Career
Per 600 PA
0
0
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Career
Per 600 PA
0
0
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Careerverified
Per 600 PAverified
1
5.17
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Careerverified
Per 600 PAverified
1
5.17
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Careerverified
Per 600 PAverified
0.167
0.167
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Careerverified
Per 600 PAverified
0.01
0.01
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Careerverified
Per 600 PAverified
0.167
0.167
Andy Boswell
Careerverified
Per 600 PAverified
2.69
48.94
Zach Day
Career
Per 600 PA
1.39
7.17
Andy Boswell
Career
Per 600 PAverified
7
127.27
Zach Day
Careerverified
Per 600 PA
9
46.55
Andy Boswell
Careerverified
Per 600 PAverified
10
181.82
Zach Day
Career
Per 600 PA
8
41.38
Andy Boswell
Careerverified
Per 600 PAverified
0.303
0.303
Zach Day
Career
Per 600 PA
0.075
0.075
Andy Boswell
Careerverified
Per 600 PAverified
0.233
0.233
Zach Day
Career
Per 600 PA
0.086
0.086
Andy Boswell
Careerverified
Per 600 PAverified
0.536
0.536
Zach Day
Career
Per 600 PA
0.161
0.161
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Careerverified
Per 600 PAverified
0.029
0.029
Andy Boswell
Careerverified
Per 600 PAverified
0.195
0.195
Zach Day
Career
Per 600 PA
0.055
0.055
Andy Boswell
Careerverified
Per 600 PAverified
0.522
0.522
Zach Day
Career
Per 600 PA
0.11
0.11
Andy Boswell
Careerverified
Per 600 PAverified
0.259
0.259
Zach Day
Career
Per 600 PA
0.094
0.094
Andy Boswell
Career
Per 600 PAverified
5
90.91
Zach Day
Career
Per 600 PA
5
25.86
Andy Boswell
Career
Per 600 PAverified
2
36.36
Zach Day
Careerverified
Per 600 PA
3
15.52
Andy Boswell
Career
Per 600 PAverified
7
127.27
Zach Day
Career
Per 600 PA
7
36.21
Andy Boswell
Careerverified
Per 600 PAverified
3.18
57.86
Zach Day
Career
Per 600 PA
-5.73
-29.62
Andy Boswell
Careerverified
Per 600 PAverified
1
18.18
Zach Day
Career
Per 600 PA
0
0
Andy Boswell
Career
Per 600 PAverified
2
36.36
Zach Day
Career
Per 600 PA
2
10.34
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Career
Per 600 PA
0
0
Andy Boswell
Careerverified
Per 600 PAverified
3
54.55
Zach Day
Career
Per 600 PA
51
263.79
Andy Boswell
Careerverified
Per 600 PAverified
11
11
Zach Day
Career
Per 600 PA
2.27
2.27
Andy Boswell
Careerverified
Per 600 PAverified
0.67
0.67
Zach Day
Career
Per 600 PA
0.04
0.04
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Careerverified
Per 600 PAverified
9
46.55
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Career
Per 600 PA
0
0
Andy Boswell
Careerverified
Per 600 PAverified
0
0
Zach Day
Career
Per 600 PA
1
5.17
Andy Boswell
Careerverified
Per 600 PAverified
2
36.36
Zach Day
Career
Per 600 PA
0
0
Andy Boswell
Career
Per 600 PA
0
0
Zach Day
Career
Per 600 PA
0
0
Andy Boswell
Careerverified
Per 600 PAverified
2
36.36
Zach Day
Career
Per 600 PA
0
0
Andy Boswell
Careerverified
Per 600 PAverified
100
100
Zach Day
Career
Per 600 PA