Bob Tewksbury vs Fernando Valenzuela: Career Stats Comparison

Bob Tewksbury (1986–1998) and Fernando Valenzuela (1980–1997) — both came up during the 1980s, so the matchup is a direct one. Bob Tewksbury compiled 110 wins and 812 strikeouts; Fernando Valenzuela put up 173 wins and 2,074 strikeouts. The numbers below run them through identical career and rate-stat lenses.

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 →

Fernando Valenzuela

Pitcher · 1980–1997
Wins
173
Losses
153
Strikeouts
2,074
ERA
3.54
WHIP
1.32
IP
2,930
View Fernando Valenzuela'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 Bob Tewksbury Fernando Valenzuela
Wins 110 173
Losses 102 153
Games 302 453
Games Started 277 424
Complete Games 31 113
Shutouts 7 31
Saves 1 2
Strikeouts 812 2,074
Walks 292 1,151
Hits Allowed 2,043 2,718
Home Runs Allowed 142 226
Innings Pitched 1,807 2,930
ERA 3.92 3.54
WHIP 1.29 1.32
K/9 4.04 6.37
BB/9 1.45 3.54

PIV Comparison

By PIV (Player Impact Value), Fernando Valenzuela leads Bob Tewksbury 30,102 to 25,586 — a gap driven primarily by per-season impact (1,672 vs 1,828 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Bob Tewksbury
25,586
Career Pitcher PIV · 1,828 per season (14 seasons)
Fernando Valenzuela
30,102
Career Pitcher PIV · 1,672 per season (18 seasons)

How PIV is calculated →

Peak Seasons

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

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

Fernando Valenzuela — top 3 seasons by ERA (lower is better)

19852.45 ERA17-10, 208 K in 272 IP
19812.48 ERA13-7, 180 K in 192 IP
19822.87 ERA19-13, 199 K in 285 IP

Verdict

On the head-to-head card, Fernando Valenzuela leads in wins, strikeouts, ERA, and K/9, while Bob Tewksbury owns WHIP. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Fernando Valenzuela. PIV agrees: Fernando Valenzuela grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

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