Duke Maas

Pitcher · Career Stats, Bio & Records (1955-1961)

W–L 45–44
ERA 4.19
WHIP 1.40
SO 356
Pitcher PIV -1881.8
Position
Pitcher
Bats / Throws
R / R
Height / Weight
5'10" / 170 lb
Born
1/31/1929 in Utica, MI, USA
Died
12/7/1976 in Mount Clemens, MI, USA
MLB Debut
1955-04-21
Last Game
1961-04-23

Full name: Duane Frederick Maas

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Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
45 44 195 91 21 7 15 734.7 745 342 71 284 356 4.19 -1881.8

Career ERA 4.19 vs. league average 3.92 across their career seasons — 7.0% 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
1955 DET AL 5 6 18 16 5 2 0 86.7 91 47 50 42 4.88 4.00 (-22%) -542.4
1956 DET AL 0 7 26 7 0 0 0 63.3 81 46 32 34 6.54 3.96 (-65%) -1549.3
1957 DET AL 10 14 45 26 8 2 6 219.3 210 80 65 116 3.28 3.83 (+14%) 730.7
1958 KC1 AL 4 5 10 7 3 1 1 55.3 49 24 13 19 3.90 3.86 (-1%) 851.2
1958 NYA AL 7 3 22 13 2 1 0 101.3 93 43 36 50 3.82 3.86 (+1%) 239.2
1959 NYA AL 14 8 38 21 3 1 4 138.0 149 68 53 67 4.43 3.90 (-14%) -629.6
1960 NYA AL 5 1 35 1 0 0 4 70.3 70 32 35 28 4.09 3.82 (-7%) -981.5
1961 NYA AL 0 0 1 0 0 0 0 0.3 2 2 0 0 54.00 — 0.0
Career · 8 seasons 45 44 195 91 21 7 15 734.2 745 342 284 356 4.19 — -1,882

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
195 214 13 25 4 1 1 14 0 13 80 .117 .165 .159 .324 -746

Career AVG .117 vs. league average .257 across their career seasons — 54.6% below league average.

Career OBP .165 vs. league average .327 across their career seasons — 49.5% below league average.

Career SLG .159 vs. league average .394 across their career seasons — 59.7% below league average.

Career OPS .324 vs. league average .721 across their career seasons — 55.0% 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
1955 DET AL 18 30 2 5 0 1 0 2 0 1 12 .167 — — — — 0.0
1956 DET AL 26 16 1 3 1 0 0 1 0 2 8 .188 — — — — 0.0
1957 DET AL 45 71 2 6 1 0 1 8 0 3 27 .085 .257 (-67%) .323 (-63%) .391 (-64%) .715 (-64%) -746.3
1958 KC1 AL 10 17 2 3 2 0 0 1 0 1 5 .176 — — — — 0.0
1958 NYA AL 22 34 3 3 0 0 0 1 0 3 11 .088 — — — — 0.0
1959 NYA AL 38 40 3 5 0 0 0 1 0 3 15 .125 — — — — 0.0
1960 NYA AL 35 6 0 0 0 0 0 0 0 0 2 .000 — — — — 0.0
1961 NYA AL 1 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 8 seasons 195 214 13 25 4 1 1 14 0 13 80 .117 — — — — -746

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.

Postseason Statistics

Playoff Career Batting

G AB R H 2B 3B HR RBI BB SO AVG
2 0 0 0 0 0 0 0 0 0 .000

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
1960 WS NYA 1 0 0 0 0 0 0 0 0 0 .000
1958 WS NYA 1 0 0 0 0 0 0 0 0 0 .000

Playoff Career Pitching

W L G GS SV IP H ER BB SO ERA
0 0 2 0 0 2.3 4 4 1 1 15.43

Playoff Pitching by Year

Year Round Team W L G GS SV IP H ER BB SO ERA
1960 WS NYA 0 0 1 0 0 2.0 2 1 0 1 4.50
1958 WS NYA 0 0 1 0 0 0.3 2 3 1 0 81.00

Game Log & Splits

View full game log (390 games) →

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

Batting — Home / Away

SplitGABRHHRRBIAVG
Home989961017.101
Away9711571507.130

Pitching — Home / Away

SplitGIPHERBBSOERA
Home98370.23631611571983.91
Away97364.03821801271594.45

Last 10 Games — Batting

DateTmOppResABRH2B3BHRRBIBBSO
1961-04-23 NYYBALL 000000000
1960-10-02 NYYBOSW 000000000
1960-09-30 NYYBOSW 000000000
1960-09-26 NYYMINW 000000000
1960-09-21 NYYMINW 100000000
1960-09-13 NYYKC1L 000000000
1960-09-06 NYYBOSL 000000000
1960-08-31 NYYKC1L 000000000
1960-08-28 NYYDETL 000000000
1960-08-26 NYYCLEW 100000000

Last 10 Games — Pitching

DateTmOppDecIPHRERBBSOHR
1961-04-23 NYYBAL — 0.1222000
1960-10-02 NYYBOS W 2.0311210
1960-09-30 NYYBOS W 1.0000110
1960-09-26 NYYMIN W 2.0100020
1960-09-21 NYYMIN SV 4.0200010
1960-09-13 NYYKC1 — 2.0311100
1960-09-06 NYYBOS — 3.0422310
1960-08-31 NYYKC1 — 2.0644200
1960-08-28 NYYDET — 3.0100010
1960-08-26 NYYCLE SV 2.0000010

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 195 91 40 126 7 7

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1955 DET P 18 16 2 17 0 0
1956 DET P 26 7 5 8 2 0
1957 DET P 45 26 8 41 1 2
1958 KC1 P 10 7 4 10 0 0
1958 NYA P 22 13 8 9 1 0
1959 NYA P 38 21 5 28 1 2
1960 NYA P 35 1 8 13 2 3
1961 NYA P 1 0 0 0 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
Pitcher 195

Most Similar Players

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

Career Spans

Duke Maas (highlighted) compared to peers across the same era.

  1. 98
    Steve Comer
    44-37, 4.13 ERA
  2. 97
    Eric King
    52-45, 3.97 ERA
  3. 96
    Roric Harrison
    30-35, 4.24 ERA
  4. 95
    Jerry Walker
    37-44, 4.36 ERA
  5. 95
    Bob Hendley
    48-52, 3.97 ERA
  6. 94
    Al Gettel
    38-45, 4.28 ERA

Frequently Asked Questions about Duke Maas

What years did Duke Maas play?
Duke Maas played in Major League Baseball from 1955 to 1961.
Was Duke Maas a pitcher?
Yes. Duke Maas pitched in the major leagues, recording 45 wins and 356 strikeouts.
How many home runs did Duke Maas hit?
Duke Maas hit 1 career home runs with 25 hits.