Al Mattern

Pitcher · Career Stats, Bio & Records (1908-1912)

Al Mattern was a pitcher who played in Major League Baseball from 1908 to 1912 for the Boston Braves, a span of 5 seasons. Across 138 career appearances, he went 36-58 with a 3.37 ERA and 254 strikeouts. He also batted .165 with 0 home runs.

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 36–58
ERA 3.37
WHIP 1.39
SO 254
Pitcher PIV -9086.2
Position
Pitcher
Bats / Throws
L / L
Height / Weight
5'10" / 165 lb
Born
6/16/1883 in West Rush, NY, USA
Died
11/6/1958 in West Rush, NY, USA
MLB Debut
1908-09-16
Last Game
1912-04-19

Full name: Alonzo Albert Mattern

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Career Pitching Statistics

Al Mattern — Career Pitching Statistics
W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
36 58 138 94 53 9 4 844.1 878 316 22 299 254 3.37 -9086.2

Career ERA 3.37 vs. league average 2.89 across their career seasons — 16.4% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Al Mattern — Season-by-Season Pitching
Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
1908 BSN NL 1 2 5 3 1 1 0 30.1 30 7 6 8 2.08 2.40 (+13%) 155.4
1909 BSN NL 15 21 47 32 24 2 3 316.1 322 100 108 98 2.85 2.55 (-12%) -2311.7
1910 BSN NL 16 19 51 37 17 6 1 305.0 288 101 121 94 2.98 2.79 (-7%) -3121.3
1911 BSN NL 4 15 33 21 11 0 0 186.1 228 103 63 51 4.97 3.37 (-47%) -3808.6
1912 BSN NL 0 1 2 1 0 0 0 6.1 10 5 1 3 7.11 — 0.0
Career · 5 seasons 36 58 138 94 53 9 4 844.1 878 316 299 254 3.37 — -9,086

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

Al Mattern — Career Batting Statistics
G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
138 272 17 45 3 1 0 16 2 9 65 .165 .195 .184 .379 -1,548

Career AVG .165 vs. league average .254 across their career seasons — 34.9% below league average.

Career OBP .195 vs. league average .319 across their career seasons — 38.9% below league average.

Career SLG .184 vs. league average .333 across their career seasons — 44.7% below league average.

Career OPS .379 vs. league average .652 across their career seasons — 41.9% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Al Mattern — 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
1908 BSN NL 5 8 0 1 0 0 0 0 0 0 0 .125 — — — — 0.0
1909 BSN NL 47 101 4 17 1 0 0 10 1 6 28 .168 .244 (-31%) .306 (-27%) .312 (-43%) .618 (-35%) -485.4
1910 BSN NL 51 98 8 16 2 0 0 4 0 1 24 .163 .249 (-35%) .317 (-46%) .326 (-44%) .644 (-45%) -650.3
1911 BSN NL 33 63 5 11 0 1 0 2 1 2 11 .175 .266 (-35%) .336 (-41%) .356 (-42%) .693 (-41%) -412.7
1912 BSN NL 2 2 0 0 0 0 0 0 0 0 2 .000 — — — — 0.0
Career · 5 seasons 138 272 17 45 3 1 0 16 2 9 65 .165 — — — — -1,548

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 (278 games) →

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

Batting — Home / Away

Al Mattern — Batting — Home / Away
SplitGABRHHRRBIAVG
Home78155132509.161
Away6111852005.169

Pitching — Home / Away

Al Mattern — Pitching — Home / Away
SplitGIPHERBBSOERA
Home78486.24891711601613.16
Away61355.23881291331103.26

Last 10 Games — Batting

Al Mattern — Last 10 Games — Batting
DateTmOppResABRH2B3BHRRBIBBSO
1912-04-19 BSNPHIL 100000001
1912-04-13 BSNPHIL 100000001
1911-09-14 BSNNY1L 211000001
1911-08-19 BSNCHCL 201000100
1911-08-15 BSNBROL 311000000
1911-08-12 BSNBROL 300000001
1911-08-07 BSNCINL 100000001
1911-08-05 BSNSTLL 000000000
1911-08-01 BSNPITL 301000001
1911-07-31 BSNPITL 100000000

Last 10 Games — Pitching

Al Mattern — Last 10 Games — Pitching
DateTmOppDecIPHRERBBSOHR
1912-04-19 BSNPHI L 2.1654010
1912-04-13 BSNPHI — 4.0441120
1911-09-14 BSNNY1 L 7.01177261
1911-08-19 BSNCHC L 3.0866141
1911-08-15 BSNBRO — 10.0966420
1911-08-12 BSNBRO L 6.2833150
1911-08-07 BSNCIN L 2.2744000
1911-08-05 BSNSTL — 0.2011000
1911-08-01 BSNPIT L 8.013109431
1911-07-31 BSNPIT — 2.0200100

Fielding Statistics

Career Fielding Totals by Position

Al Mattern — Career Fielding Totals by Position
Position G GS PO A E DP
P 138 72 40 261 15 3

Season-by-Season Fielding

Al Mattern — Season-by-Season Fielding
Year Team Pos G GS PO A E DP
1908 BSN P 5 3 1 8 0 0
1909 BSN P 47 32 21 100 10 2
1910 BSN P 51 37 12 90 3 1
1911 BSN P 33 0 6 61 2 0
1912 BSN P 2 0 0 2 0 0

Career Games by Position

Position Diamond

Circle size = games played at each position.

Al Mattern — Career Games by Position
Position Games
Pitcher 139

Most Similar Players

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

Career Spans

Al Mattern (highlighted) compared to peers across the same era.

  1. 98
    Fred Blanding
    45-46, 3.13 ERA
  2. 92
    Mal Eason
    36-73, 3.42 ERA
  3. 92
    Cy Barger
    46-63, 3.56 ERA
  4. 91
    Buttons Briggs
    44-47, 3.41 ERA
  5. 90
    Walt Dickson
    26-50, 3.60 ERA
  6. 89
    Herman Pillette
    34-32, 3.45 ERA

Al Mattern: the record in brief

Al Mattern played a first major league game on September 16, 1908 and a last one on April 19, 1912. The season rows list, in order, the Boston Doves (1908 to 1910), the Boston Rustlers (1911), and the Boston Braves (1912). Mattern, a pitcher by primary position, both batted and threw left-handed. Height and weight on file: 5'10" and 165 pounds. Mattern was born on June 16, 1883, in West Rush, NY, USA. Mattern's death is recorded on November 6, 1958, in West Rush, NY, USA. The given name on file is Alonzo Albert Mattern.

Mattern went 36-58 with a 3.37 ERA in 138 games, 94 of them starts. Also on Mattern's record: 254 strikeouts, 53 complete games, and 9 shutouts. Against a 2.89 league ERA for the same seasons, the 3.37 mark was 16.4% worse. Mattern won 16 games in 1910, the most of any season listed. 1909 produced Mattern's most strikeouts, 98. 1909 was Mattern's sharpest full season, a 2.85 ERA against the league's 2.55.

Frequently Asked Questions about Al Mattern

What years did Al Mattern play?
Al Mattern played in Major League Baseball from 1908 to 1912.
Was Al Mattern a pitcher?
Yes. Al Mattern pitched in the major leagues, recording 36 wins and 254 strikeouts.
How many home runs did Al Mattern hit?
Al Mattern hit 0 career home runs with 45 hits.
What was Al Mattern's career batting average?
Al Mattern batted .165 over his career, with 45 hits in 272 at bats.
How many RBI did Al Mattern have?
Al Mattern drove in 16 runs in his career.
What was Al Mattern's career ERA?
Al Mattern finished with a 3.37 career ERA, going 36-58 with 254 strikeouts.