Bob Friend vs Jim Kaat: Career Stats Comparison

Bob Friend (1951–1966) and Jim Kaat (1959–1983) — both came up during the 1950s, so the matchup is a direct one. Bob Friend compiled 197 wins and 1,734 strikeouts; Jim Kaat put up 283 wins and 2,461 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Bob Friend

Pitcher · 1951–1966
Wins
197
Losses
230
Strikeouts
1,734
ERA
3.58
WHIP
1.29
IP
3,611
View Bob Friend's full profile →

Jim Kaat

Pitcher · 1959–1983
Wins
283
Losses
237
Strikeouts
2,461
ERA
3.45
WHIP
1.26
IP
4,530
View Jim Kaat'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 Friend Jim Kaat
Wins 197 283
Losses 230 237
Games 602 898
Games Started 497 625
Complete Games 163 180
Shutouts 36 31
Saves 11 18
Strikeouts 1,734 2,461
Walks 894 1,083
Hits Allowed 3,772 4,620
Home Runs Allowed 286 395
Innings Pitched 3,611 4,530
ERA 3.58 3.45
WHIP 1.29 1.26
K/9 4.32 4.89
BB/9 2.23 2.15

PIV Comparison

By PIV (Player Impact Value), Bob Friend outpaces Jim Kaat 45,735 to 26,792 — a gap driven primarily by per-season impact (2,690 vs 957 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Bob Friend
45,735
Career Pitcher PIV · 2,690 per season (17 seasons)
Jim Kaat
26,792
Career Pitcher PIV · 957 per season (28 seasons)

How PIV is calculated →

Peak Seasons

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

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

19632.34 ERA17-16, 144 K in 268 IP
19552.83 ERA14-9, 98 K in 200 IP
19603.00 ERA18-12, 183 K in 275 IP

Jim Kaat — top 3 seasons by ERA (lower is better)

19662.75 ERA25-13, 205 K in 304 IP
19652.83 ERA18-11, 154 K in 264 IP
19742.92 ERA21-13, 142 K in 277 IP

Verdict

On the head-to-head card, Jim Kaat leads in wins, strikeouts, ERA, and WHIP, while Bob Friend owns no headline categories. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Jim Kaat. Note that PIV actually grades Bob Friend ahead, which means Jim Kaat's edge is partly volume. Click through to each profile for the full season-by-season breakdown.

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