Army Cooper

Pitcher · Career Stats, Bio & Records

Army Cooper was a pitcher who played in Major League Baseball for the Kansas City Monarchs and the Cleveland Stars. Across 63 career appearances, he went 32-16 with a 4.36 ERA and 293 strikeouts. His totals include Negro Leagues seasons, which MLB recognized as major league in 2020. His career Pitcher PIV — Baseball Data Hub's era-adjusted measure of pitching impact — is 9821.9.

W (Wins):
Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
ERA (Earned Run Average):
Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
SO (Strikeouts):
For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
WHIP (Walks and Hits per Inning Pitched):
Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.

Data updated

W–L 32–16
ERA 4.36
WHIP 1.44
SO 293
Pitcher PIV 9821.9
Position
Pitcher
Bats / Throws
L / L
Height / Weight
6'3" / 250 lb
Born
11/1/1899 in Kansas City, KS, USA
Died
3/19/1966 in Kansas City, KS, USA

Full name: Alfred Mayart Cooper

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Negro Leagues Career Statistics

Batting

Army Cooper — Batting
PA AB R H 2B 3B HR RBI BB SO SB BA OBP SLG OPS
3.0 3.0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000

Pitching

Army Cooper — Pitching
W L GS CG GF SV IP H R ER HR BB SO ERA WHIP
1 0 1 0 0 0 7.1 0 0 0 0 1 2 0.00 0.14

Career Pitching Statistics

Army Cooper — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
32 16 63 57 22 0 0 373.1 373 181 8 163 293 4.36 9821.9

Career ERA 4.36 vs. league average 4.36 across their career seasons — near league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Army Cooper — Season-by-Season Pitching
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1928 KCM NNL 7 4 17 15 5 0 0 95.0 79 40 39 78 3.79 4.13 (+8%) 1933.4
1929 KCM NNL 15 4 25 21 8 0 0 146.0 152 60 58 104 3.70 4.60 (+20%) 4213.9
1930 KCM NNL 9 3 15 15 8 0 0 107.0 111 57 52 104 4.79 4.80 (avg) 3545.6
1931 KCM IND 1 3 4 4 1 0 0 22.0 23 19 10 7 7.77 4.10 (-90%) 129.1
1932 CLS EWL 0 2 2 2 0 0 0 3.1 8 5 4 0 13.50 — 0.0
Career · 5 seasons 32 16 63 57 22 0 0 373.1 373 181 163 293 4.36 — 9,822

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

Army Cooper — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
68 145 22 28 4 2 0 11 4 9 4 .193 .240 .248 .489 -260

Career AVG .193 vs. league average .283 across their career seasons — 31.8% below league average.

Career OBP .240 vs. league average .345 across their career seasons — 30.4% below league average.

Career SLG .248 vs. league average .405 across their career seasons — 38.6% below league average.

Career OPS .489 vs. league average .750 across their career seasons — 34.8% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Army Cooper — Season-by-Season Batting
Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
1928 KCM NNL 20 38 8 8 2 1 0 2 1 2 2 .211 — — — — 0.0
1929 KCM NNL 27 52 8 12 0 1 0 4 1 3 0 .231 .289 (-20%) .353 (-23%) .415 (-35%) .769 (-30%) -260.3
1930 KCM NNL 15 45 6 6 2 0 0 5 2 3 0 .133 — — — — 0.0
1931 KCM IND 4 9 0 2 0 0 0 0 0 1 2 .222 — — — — 0.0
1932 CLS EWL 2 1 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 5 seasons 68 145 22 28 4 2 0 11 4 9 4 .193 — — — — -260

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

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

Batting — Home / Away

Army Cooper — Batting — Home / Away
SplitGABRHHRRBIAVG
Away130000.000

Pitching — Home / Away

Army Cooper — Pitching — Home / Away
SplitGIPHERBBSOERA
Away17.100120.00

Last 1 Games — Batting

Army Cooper — Last 1 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1929-06-29 KCMCAGW 300000000

Last 1 Games — Pitching

Army Cooper — Last 1 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1929-06-29 KCMCAG W 7.1000120

Fielding Statistics

Career Fielding Totals by Position

Army Cooper — Career Fielding Totals by Position
Position G GS PO A E DP
P 64 57 3 63 10 1

Season-by-Season Fielding

Army Cooper — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
1928 KCM P 17 15 1 17 4 0
1929 KCM P 26 21 1 27 1 1
1930 KCM P 15 15 1 12 3 0
1931 KCM P 4 4 0 7 1 0
1932 CLS P 2 2 0 0 1 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Army Cooper — Career Games by Position
Position Games
Pitcher 64

Most Similar Players

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

  1. 98
    Logan Allen
    23-24, 4.55 ERA
  2. 96
    Alan Benes
    29-28, 4.59 ERA
  3. 95
    Claude Grier
    30-28, 4.60 ERA
  4. 85
    Daniel Lynch
    25-31, 4.47 ERA
  5. 85
    James McDonald
    32-30, 4.20 ERA
  6. 79
    William VanLandingham
    27-26, 4.54 ERA

Army Cooper: the record in brief

Army Cooper's record on this page is drawn from the season tables, which run from 1928 to 1932. The team column moves through the Kansas City Monarchs (1928 through 1931) and the Cleveland Stars (1932). Cooper, a pitcher by primary position, batted and threw left-handed. Height and weight on file: 6'3" and 250 pounds. Cooper was born on November 1, 1899, in Kansas City, KS, USA. Cooper died on March 19, 1966, in Kansas City, KS, USA. Army Cooper was the playing name; the full given name is Alfred Mayart.

Cooper went 32-16 with a 4.36 ERA in 63 games, 57 of them starts. Also on Cooper's record: 293 strikeouts and 22 complete games. Cooper's 4.36 ERA was close to the 4.36 league figure for those seasons. Cooper won 15 games in 1929, the most of any season listed. 1929 was Cooper's sharpest full season, a 3.70 ERA against the league's 4.60. Pitcher PIV, the site's era-adjusted run-prevention measure, totals 9,821.9 for Cooper's career.

Frequently Asked Questions about Army Cooper

Was Army Cooper a pitcher?
Yes. Army Cooper pitched in the major leagues, recording 32 wins and 293 strikeouts.
How many home runs did Army Cooper hit?
Army Cooper hit 0 career home runs with 28 hits.
What was Army Cooper's career batting average?
Army Cooper batted .193 over his career, with 28 hits in 145 at bats.
How many RBI did Army Cooper have?
Army Cooper drove in 11 runs in his career.
What was Army Cooper's career ERA?
Army Cooper finished with a 4.36 career ERA, going 32-16 with 293 strikeouts.
How many strikeouts did Army Cooper have?
Army Cooper recorded 293 career strikeouts.