Kaiser Wilhelm

Pitcher · Career Stats, Bio & Records (1903-1921)

W–L 56–105
ERA 3.44
WHIP 1.34
SO 444
Pitcher PIV -10481.6
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'0" / 162 lb
Born
1/26/1877 in Wooster, OH, USA
Died
5/22/1936 in Rochester, NY, USA
MLB Debut
1903-04-18
Last Game
1921-08-26

Full name: Irvin Key Wilhelm

📋 View Manager Career

📊 Compare This Player 📈 View Career Timeline

Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
56 105 216 158 118 12 5 1432.3 1,495 547 34 418 444 3.44 -10481.6

Career ERA 3.44 vs. league average 2.93 across their career seasons — 17.3% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1903 PIT NL 5 3 12 9 7 1 0 86.0 88 31 25 20 3.24 3.10 (-5%) -339.1
1904 BSN NL 14 20 39 36 30 3 0 288.0 316 118 74 73 3.69 2.66 (-39%) -3290.9
1905 BSN NL 3 23 34 28 23 0 0 242.3 287 122 75 76 4.53 2.82 (-61%) -2691.4
1908 BRO NL 16 22 42 36 33 6 0 332.0 266 69 83 99 1.87 2.40 (+22%) -464.6
1909 BRO NL 3 13 22 17 14 1 0 163.0 176 59 59 45 3.26 2.55 (-28%) -2056.5
1910 BRO NL 3 7 15 5 0 0 0 68.3 88 36 18 17 4.74 2.79 (-70%) -804.2
1914 BLF FL 12 17 47 27 11 1 5 243.7 263 109 81 113 4.03 2.93 (-38%) -835.0
1915 BLF FL 0 0 1 0 0 0 0 1.0 0 0 0 0 0.00 — 0.0
1921 PHI NL 0 0 4 0 0 0 0 8.0 11 3 3 1 3.38 — 0.0
Career · 9 seasons 56 105 216 158 118 12 5 1,432.1 1,495 547 418 444 3.44 — -10,482

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
223 507 23 78 10 3 0 24 0 17 97 .154 .183 .185 .368 -2,757

Career AVG .154 vs. league average .254 across their career seasons — 39.5% below league average.

Career OBP .183 vs. league average .316 across their career seasons — 42.2% below league average.

Career SLG .185 vs. league average .336 across their career seasons — 44.8% below league average.

Career OPS .368 vs. league average .652 across their career seasons — 43.5% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1903 PIT NL 13 34 2 3 0 0 0 0 0 2 6 .088 — — — — 0.0
1904 BSN NL 39 100 3 7 2 0 0 3 0 3 26 .070 .246 (-72%) .300 (-68%) .321 (-72%) .622 (-70%) -975.1
1905 BSN NL 38 100 3 16 2 0 0 4 0 1 21 .160 .248 (-36%) .307 (-45%) .322 (-44%) .629 (-45%) -641.4
1908 BRO NL 42 111 4 12 0 0 0 3 0 6 15 .108 .240 (-55%) .298 (-48%) .306 (-65%) .605 (-57%) -845.9
1909 BRO NL 22 57 1 13 1 2 0 4 0 1 13 .228 .244 (-7%) .306 (-21%) .312 (+1%) .618 (-10%) -110.1
1910 BRO NL 15 19 2 6 2 0 0 2 0 2 1 .316 — — — — 0.0
1914 BLF FL 49 84 8 21 3 1 0 8 0 2 14 .250 .255 (-2%) .322 (-17%) .339 (-9%) .661 (-13%) -184.7
1915 BLF FL 1 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
1921 PHI NL 4 2 0 0 0 0 0 0 0 0 1 .000 — — — — 0.0
Career · 9 seasons 223 507 23 78 10 3 0 24 0 17 97 .154 — — — — -2,757

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Game Log & Splits

View full game log (439 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

SplitGABRHHRRBIAVG
Home1112401129011.121
Away1122661149011.184

Pitching — Home / Away

SplitGIPHERBBSOERA
Home106740.17281032242571.25
Away110680.1752842001871.11

Last 10 Games — Batting

DateTmOppResABRH2B3BHRRBIBBSO
1921-08-26 PHICINL 000000000
1921-08-08 PHICINL 100000000
1921-06-16 PHICINL 000000000
1921-05-28 PHIBROL 100000001
1915-04-12 BLFNEWL 000000000
1914-10-10 BLFBRFW 300000010
1914-10-09 BLFBRFW 000000000
1914-10-07 BLFPTFW 201000100
1914-10-05 BLFPTFL 000000000
1914-09-28 BLFSLFW 201000000

Last 10 Games — Pitching

DateTmOppDecIPHRERBBSOHR
1921-08-26 PHICIN — 2.0311000
1921-08-08 PHICIN — 2.1211100
1921-06-16 PHICIN — 1.1411100
1921-05-28 PHIBRO — 2.1200110
1915-04-12 BLFNEW — 1.0000000
1914-10-10 BLFBRF W 9.0700070
1914-10-09 BLFBRF SV 0.2000000
1914-10-07 BLFPTF W 9.0932260
1914-10-05 BLFPTF — 2.0430020
1914-09-28 BLFSLF W 5.0511260

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
OF 5 3 8 2 1 0
P 216 122 64 472 31 11

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1903 PIT OF 1 0 1 2 0 0
1903 PIT P 12 0 1 33 2 2
1904 BSN P 39 36 10 90 7 3
1905 BSN OF 4 3 7 0 1 0
1905 BSN P 34 28 16 77 5 2
1908 BRO P 42 36 17 109 6 3
1909 BRO P 22 17 3 56 6 0
1910 BRO P 15 5 2 24 1 0
1914 BLF P 47 0 14 82 4 1
1915 BLF P 1 0 0 0 0 0
1921 PHI P 4 0 1 1 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
Pitcher 216
Left Field 2
Center Field 3
Right Field 1

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Kaiser Wilhelm (highlighted) compared to peers across the same era.

  1. 98
    Hank Wyse
    79-70, 3.52 ERA
  2. 94
    Jesse Petty
    67-78, 3.68 ERA
  3. 93
    Dana Fillingim
    47-73, 3.56 ERA
  4. 92
    Elmer Jacobs
    50-81, 3.55 ERA
  5. 89
    Bob Muncrief
    80-82, 3.80 ERA
  6. 89
    Bill Duggleby
    93-102, 3.18 ERA

Frequently Asked Questions about Kaiser Wilhelm

What years did Kaiser Wilhelm play?
Kaiser Wilhelm played in Major League Baseball from 1903 to 1921.
Was Kaiser Wilhelm a pitcher?
Yes. Kaiser Wilhelm pitched in the major leagues, recording 56 wins and 444 strikeouts.
How many home runs did Kaiser Wilhelm hit?
Kaiser Wilhelm hit 0 career home runs with 78 hits.