Jack Flaherty vs. Luis Guerrero — Career Comparison

Jack Flaherty
MillenialCaliforniaThrows RightBats RightNorth AmericaDetroit TigersAmerican LeagueStarting Pitcher
Luis Guerrero
Gen ZD.R.Throws RightBats RightCaribbeanBoston Red SoxAmerican LeagueRelief Pitcher

Jack Flaherty built a career as a starting pitcher and Luis Guerrero as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Luis Guerrero posted stronger surface numbers — ERA 2.63 and WHIP 1.134 compared to 3.8 and 1.208 for Jack Flaherty. By the career numbers, Luis Guerrero had the better of this cross-role comparison — though era context would sharpen the verdict.

Pitching Stats for Jack Flaherty and Luis Guerrero

Jack Flaherty
Careerverified
Per 9 Inningsverified
9
9
Luis Guerrero
Career
Per 9 Innings
2
2
Jack Flaherty
Careerverified
Per 9 Innings
190
1.73
Luis Guerrero
Career
Per 9 Inningsverified
22
7.24
Jack Flaherty
Careerverified
Per 9 Inningsverified
184
1.67
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Careerverified
Per 9 Inningsverified
63
0.57
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
56
0.51
Luis Guerrero
Careerverified
Per 9 Inningsverified
1
0.33
Jack Flaherty
Careerverified
Per 9 Inningsverified
52.94
52.94
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Careerverified
Per 9 Inningsverified
96.84
96.84
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
0
0
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
0
0
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
0
0
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
418
3.8
Luis Guerrero
Careerverified
Per 9 Inningsverified
8
2.63
Jack Flaherty
Career
Per 9 Innings
3.8
3.8
Luis Guerrero
Careerverified
Per 9 Inningsverified
2.63
2.63
Jack Flaherty
Career
Per 9 Innings
3.5
3.5
Luis Guerrero
Careerverified
Per 9 Inningsverified
1.87
1.87
Jack Flaherty
Career
Per 9 Innings
3.72
3.72
Luis Guerrero
Careerverified
Per 9 Inningsverified
3.37
3.37
Jack Flaherty
Career
Per 9 Innings
0.227
0.227
Luis Guerrero
Careerverified
Per 9 Inningsverified
0.167
0.167
Jack Flaherty
Careerverified
Per 9 Innings
2972
27
Luis Guerrero
Career
Per 9 Innings
82
27
Jack Flaherty
Careerverified
Per 9 Innings
990.2
9
Luis Guerrero
Career
Per 9 Innings
27.1
9
Jack Flaherty
Career
Per 9 Innings
836
7.59
Luis Guerrero
Careerverified
Per 9 Inningsverified
15
4.94
Jack Flaherty
Career
Per 9 Innings
7.59
7.59
Luis Guerrero
Careerverified
Per 9 Inningsverified
4.94
4.94
Jack Flaherty
Career
Per 9 Innings
135
1.23
Luis Guerrero
Careerverified
Per 9 Inningsverified
0
0
Jack Flaherty
Career
Per 9 Innings
1.23
1.23
Luis Guerrero
Careerverified
Per 9 Inningsverified
0
0
Jack Flaherty
Career
Per 9 Innings
0.71
0.71
Luis Guerrero
Careerverified
Per 9 Inningsverified
0
0
Jack Flaherty
Career
Per 9 Inningsverified
351
3.19
Luis Guerrero
Careerverified
Per 9 Innings
16
5.27
Jack Flaherty
Career
Per 9 Innings
10
0.09
Luis Guerrero
Careerverified
Per 9 Inningsverified
0
0
Jack Flaherty
Careerverified
Per 9 Inningsverified
3.19
3.19
Luis Guerrero
Career
Per 9 Innings
5.27
5.27
Jack Flaherty
Careerverified
Per 9 Inningsverified
1130
10.27
Luis Guerrero
Career
Per 9 Innings
19
6.26
Jack Flaherty
Careerverified
Per 9 Inningsverified
10.27
10.27
Luis Guerrero
Career
Per 9 Innings
6.26
6.26
Jack Flaherty
Careerverified
Per 9 Inningsverified
5.95
5.95
Luis Guerrero
Career
Per 9 Innings
0.86
0.86
Jack Flaherty
Careerverified
Per 9 Inningsverified
1.495
1.495
Luis Guerrero
Career
Per 9 Innings
1.281
1.281
Jack Flaherty
Career
Per 9 Innings
35
0.32
Luis Guerrero
Careerverified
Per 9 Inningsverified
0
0
Jack Flaherty
Career
Per 9 Innings
54
0.49
Luis Guerrero
Careerverified
Per 9 Inningsverified
0
0
Jack Flaherty
Career
Per 9 Innings
0
0
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Careerverified
Per 9 Inningsverified
4120
37.43
Luis Guerrero
Career
Per 9 Innings
108
35.56
Jack Flaherty
Career
Per 9 Innings
0
0
Luis Guerrero
Careerverified
Per 9 Inningsverified
8
2.63
Jack Flaherty
Career
Per 9 Innings
440
4
Luis Guerrero
Careerverified
Per 9 Inningsverified
9
2.96
Jack Flaherty
Career
Per 9 Innings
4
4
Luis Guerrero
Careerverified
Per 9 Inningsverified
2.96
2.96
Jack Flaherty
Career
Per 9 Innings
12
0.11
Luis Guerrero
Careerverified
Per 9 Inningsverified
0
0
Jack Flaherty
Career
Per 9 Inningsverified
17
0.15
Luis Guerrero
Careerverified
Per 9 Innings
2
0.66
Jack Flaherty
Careerverified
Per 9 Innings
78
0.71
Luis Guerrero
Career
Per 9 Inningsverified
3
0.99
Jack Flaherty
Career
Per 9 Innings
1.198
1.198
Luis Guerrero
Careerverified
Per 9 Inningsverified
1.134
1.134
Jack Flaherty
Careerverified
Per 9 Inningsverified
3686
33.49
Luis Guerrero
Career
Per 9 Innings
90
29.63
Jack Flaherty
Career
Per 9 Innings
2.32
2.32
Luis Guerrero
Careerverified
Per 9 Inningsverified
0.41
0.41
Jack Flaherty
Career
Per 9 Innings
0.29
0.29
Luis Guerrero
Careerverified
Per 9 Inningsverified
0.211
0.211
Jack Flaherty
Careerverified
Per 9 Inningsverified
37.43
37.43
Luis Guerrero
Career
Per 9 Innings
35.56
35.56

Fielding Stats for Jack Flaherty and Luis Guerrero

Jack Flaherty
Careerverified
Per 9 Inningsverified
9
9
Luis Guerrero
Career
Per 9 Innings
2
2
Jack Flaherty
Careerverified
Per 9 Innings
190
1.73
Luis Guerrero
Career
Per 9 Inningsverified
22
7.24
Jack Flaherty
Careerverified
Per 9 Inningsverified
184
1.67
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Careerverified
Per 9 Innings
2972
27
Luis Guerrero
Career
Per 9 Innings
82
27
Jack Flaherty
Careerverified
Per 9 Innings
990.2
9
Luis Guerrero
Career
Per 9 Innings
27.1
9
Jack Flaherty
Careerverified
Per 9 Inningsverified
80
0.73
Luis Guerrero
Career
Per 9 Innings
1
0.33
Jack Flaherty
Careerverified
Per 9 Inningsverified
87
0.79
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
5
0.05
Luis Guerrero
Careerverified
Per 9 Inningsverified
0
0
Jack Flaherty
Careerverified
Per 9 Inningsverified
172
1.56
Luis Guerrero
Career
Per 9 Innings
1
0.33
Jack Flaherty
Careerverified
Per 9 Inningsverified
167
1.52
Luis Guerrero
Career
Per 9 Innings
1
0.33
Jack Flaherty
Career
Per 9 Innings
97.09
97.09
Luis Guerrero
Careerverified
Per 9 Inningsverified
100
100
Jack Flaherty
Careerverified
Per 9 Inningsverified
0.879
0.879
Luis Guerrero
Career
Per 9 Innings
0.046
0.046
Jack Flaherty
Careerverified
Per 9 Inningsverified
96.84
96.84
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Careerverified
Per 9 Inningsverified
8
0.07
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
0
0
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
0
0
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
0
0
Luis Guerrero
Career
Per 9 Innings
0
0
Jack Flaherty
Career
Per 9 Innings
0
0
Luis Guerrero
Career
Per 9 Innings
0
0

Hitting Stats for Jack Flaherty and Luis Guerrero

Jack Flaherty
Careerverified
Per 600 PAverified
9
9
Luis Guerrero
Career
Per 600 PA
2
Jack Flaherty
Careerverified
Per 600 PAverified
198
792
Luis Guerrero
Career
Per 600 PA
22
Jack Flaherty
Careerverified
Per 600 PAverified
150
600
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
123
492
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
0.155
0.155
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.506
0.506
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
19
76
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
15
60
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
3
12
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Career
Per 600 PA
0
0
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
1
4
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
4
16
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
0.211
0.211
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.008
0.008
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.053
0.053
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
5.96
23.85
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
25
100
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
28
112
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
0.209
0.209
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.203
0.203
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.412
0.412
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.049
0.049
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.145
0.145
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.333
0.333
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.231
0.231
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
8
32
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
7
28
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
14
56
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
4.8
19.19
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Career
Per 600 PA
0
0
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
9
36
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Career
Per 600 PA
0
0
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Career
Per 600 PA
46
184
Luis Guerrero
Careerverified
Per 600 PAverified
0
Jack Flaherty
Careerverified
Per 600 PAverified
3.26
3.26
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
0.2
0.2
Luis Guerrero
Career
Per 600 PA
Jack Flaherty
Careerverified
Per 600 PAverified
16
64
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
2
8
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Career
Per 600 PA
0
0
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
1
4
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
1
4
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
2
8
Luis Guerrero
Career
Per 600 PA
0
Jack Flaherty
Careerverified
Per 600 PAverified
50
50
Luis Guerrero
Career
Per 600 PA