Duster Mails

Pitcher · Career Stats, Bio & Records (1915-1926)

W–L 32–25
ERA 4.10
WHIP 1.50
SO 232
Pitcher PIV -2697.6
Position
Pitcher
Bats / Throws
L / L
Height / Weight
6'0" / 195 lb
Born
10/1/1894 in San Quentin, CA, USA
Died
7/5/1974 in San Francisco, CA, USA
MLB Debut
1915-09-28
Last Game
1926-04-29

Full name: John Walter Mails

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Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
32 25 104 59 29 5 2 516.0 554 235 27 220 232 4.10 -2697.6

Career ERA 4.10 vs. league average 3.71 across their career seasons — 10.4% 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
1915 BRO NL 0 1 2 0 0 0 0 5.0 6 2 5 3 3.60 — 0.0
1916 BRO NL 0 1 11 0 0 0 0 17.3 15 7 9 13 3.63 2.78 (-31%) -174.3
1920 CLE AL 7 0 9 8 6 2 0 63.3 54 13 18 25 1.85 3.45 (+46%) 615.4
1921 CLE AL 14 8 34 24 10 2 2 194.3 210 85 89 87 3.94 4.02 (+2%) 391.6
1922 CLE AL 4 7 26 13 4 1 0 104.0 122 61 40 54 5.28 4.18 (-26%) -640.6
1925 SLN NL 7 7 21 14 9 0 0 131.0 145 67 58 49 4.60 4.55 (-1%) -2889.6
1926 SLN NL 0 1 1 0 0 0 0 1.0 2 0 1 1 0.00 — 0.0
Career · 7 seasons 32 25 104 59 29 5 2 516.0 554 235 220 232 4.10 — -2,698

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
104 165 14 22 6 1 0 8 0 16 73 .133 .210 .182 .392 -574

Career AVG .133 vs. league average .273 across their career seasons — 51.2% below league average.

Career OBP .210 vs. league average .336 across their career seasons — 37.5% below league average.

Career SLG .182 vs. league average .374 across their career seasons — 51.4% below league average.

Career OPS .392 vs. league average .710 across their career seasons — 44.8% 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
1915 BRO NL 2 1 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
1916 BRO NL 11 4 1 1 0 0 0 0 0 0 2 .250 — — — — 0.0
1920 CLE AL 9 20 3 4 1 0 0 0 0 2 6 .200 — — — — 0.0
1921 CLE AL 34 64 5 6 2 0 0 4 0 9 38 .094 .286 (-67%) .344 (-40%) .395 (-68%) .739 (-55%) -573.8
1922 CLE AL 26 31 2 5 1 1 0 1 0 2 14 .161 — — — — 0.0
1925 SLN NL 21 45 3 6 2 0 0 3 0 3 13 .133 — — — — 0.0
1926 SLN NL 1 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
Career · 7 seasons 104 165 14 22 6 1 0 8 0 16 73 .133 — — — — -574

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 5 0 0 0 0 0 0 0 1 .000

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
1920 WS CLE 2 5 0 0 0 0 0 0 0 1 .000

Playoff Career Pitching

W L G GS SV IP H ER BB SO ERA
1 0 2 1 0 15.7 6 0 6 6 0.00

Playoff Pitching by Year

Year Round Team W L G GS SV IP H ER BB SO ERA
1920 WS CLE 1 0 2 1 0 15.7 6 0 6 6 0.00

Game Log & Splits

View full game log (208 games) →

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

Batting — Home / Away

SplitGABRHHRRBIAVG
Home558681504.174
Away49796702.089

Pitching — Home / Away

SplitGIPHERBBSOERA
Home55290.02941201241413.72
Away49226.1261115104934.57

Last 10 Games — Batting

DateTmOppResABRH2B3BHRRBIBBSO
1926-04-29 STLCHCL 000000000
1925-09-20 STLBROW 300000002
1925-09-13 STLPITW 211000110
1925-09-07 STLCINL 000000000
1925-09-05 STLPITL 100000001
1925-08-30 STLNY1L 300000001
1925-08-27 STLBROL 000000000
1925-08-25 STLBROL 200000000
1925-08-20 STLBSNL 200000010
1925-08-14 STLCHCL 200000000

Last 10 Games — Pitching

DateTmOppDecIPHRERBBSOHR
1926-04-29 STLCHC L 1.0210110
1925-09-20 STLBRO W 6.2744620
1925-09-13 STLPIT W 9.0943531
1925-09-07 STLCIN — 3.0431110
1925-09-05 STLPIT — 3.2855320
1925-08-30 STLNY1 L 8.01032241
1925-08-27 STLBRO — 0.1210000
1925-08-25 STLBRO — 6.0933411
1925-08-20 STLBSN L 8.0964311
1925-08-14 STLCHC L 7.0975120

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 104 0 20 96 6 2

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
1915 BRO P 2 0 0 2 0 0
1916 BRO P 11 0 0 2 0 0
1920 CLE P 9 0 3 10 0 0
1921 CLE P 34 0 7 33 2 0
1922 CLE P 26 0 6 24 0 1
1925 SLN P 21 0 4 24 3 1
1926 SLN P 1 0 0 1 1 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
Pitcher 104

Most Similar Players

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

Career Spans

Duster Mails (highlighted) compared to peers across the same era.

  1. 98
    Jack Marshall
    35-31, 4.23 ERA
  2. 82
    Mike Dunne
    25-30, 4.08 ERA
  3. 81
    Jim Umbarger
    25-33, 4.14 ERA
  4. 79
    Slick Castleman
    36-26, 4.25 ERA
  5. 79
    Johnny Broaca
    44-29, 4.08 ERA
  6. 76
    Jim Hughes
    25-30, 4.30 ERA

Frequently Asked Questions about Duster Mails

What years did Duster Mails play?
Duster Mails played in Major League Baseball from 1915 to 1926.
Was Duster Mails a pitcher?
Yes. Duster Mails pitched in the major leagues, recording 32 wins and 232 strikeouts.
How many home runs did Duster Mails hit?
Duster Mails hit 0 career home runs with 22 hits.