Mike Mussina vs Bob Tewksbury: Career Stats Comparison

Mike Mussina (1991–2008) and Bob Tewksbury (1986–1998) — breaking in during the 1990s and the 1980s respectively, so they pitched against very different hitting environments. Mike Mussina compiled 270 wins and 2,813 strikeouts; Bob Tewksbury put up 110 wins and 812 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Mike Mussina

Pitcher · 1991–2008
Wins
270
Losses
153
Strikeouts
2,813
ERA
3.68
WHIP
1.19
IP
3,562
View Mike Mussina's full profile →

Bob Tewksbury

Pitcher · 1986–1998
Wins
110
Losses
102
Strikeouts
812
ERA
3.92
WHIP
1.29
IP
1,807
View Bob Tewksbury's full profile →

Career Stats Side-by-Side

Every cell below is a career total or career rate. Cells highlighted in green mark the player who leads that line. For pitchers, lower ERA, WHIP, and BB/9 lead; higher K/9 leads.

Statistic Mike Mussina Bob Tewksbury
Wins 270 110
Losses 153 102
Games 537 302
Games Started 536 277
Complete Games 57 31
Shutouts 23 7
Saves 0 1
Strikeouts 2,813 812
Walks 785 292
Hits Allowed 3,460 2,043
Home Runs Allowed 376 142
Innings Pitched 3,562 1,807
ERA 3.68 3.92
WHIP 1.19 1.29
K/9 7.11 4.04
BB/9 1.98 1.45

PIV Comparison

By PIV (Player Impact Value), Mike Mussina outpaces Bob Tewksbury 76,572 to 25,586 — a gap driven primarily by per-season impact (4,254 vs 1,828 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Mike Mussina
76,572
Career Pitcher PIV · 4,254 per season (18 seasons)
Bob Tewksbury
25,586
Career Pitcher PIV · 1,828 per season (14 seasons)

How PIV is calculated →

Peak Seasons

The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).

Mike Mussina — top 3 seasons by ERA (lower is better)

19922.54 ERA18-5, 130 K in 241 IP
19943.06 ERA16-5, 99 K in 176 IP
20013.15 ERA17-11, 214 K in 228 IP

Bob Tewksbury — top 3 seasons by ERA (lower is better)

19922.16 ERA16-5, 91 K in 233 IP
19913.25 ERA11-12, 75 K in 191 IP
19863.31 ERA9-5, 49 K in 130 IP

Verdict

On the head-to-head card, Mike Mussina leads in wins, strikeouts, ERA, and WHIP, while Bob Tewksbury owns no headline categories. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Mike Mussina. PIV agrees: Mike Mussina grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

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