Splits are prorated to 162 games when based on full-game data and 650 PAs when not.
View unadjusted splits
Position: Pitcher
Bats: Left • Throws: Left
5-10, 165lb (178cm, 74kg)
Born: June 16, 1883 in West Rush, NY us
Died: November 6, 1958 in West Rush, NY
Buried: Pine Grove Cemetery, Rush, NY
Debut:
September 16, 1908
(Age 25-092d,
3,105th in major league history)
vs. CHC 8.0 IP, 3 H, 4 SO, 3 BB, L
Last Game:
April 19, 1912
(Age 28-308d)
vs. PHI 2.1 IP, 6 H, 1 SO, 0 BB, 4 ER, L
Rookie Status: Exceeded rookie limits during 1909 season
Full Name: Alonzo Albert Mattern
View Player Info from the B-R Bullpen
View Player Bio from the SABR BioProject
Career
4.9
36
58
3.37
138
94
4
844.1
254
1.394
Splits are prorated to 162 games when based on full-game data and 650 PAs when not.
View unadjusted splits