He died more than a half - century later , in 1973 .
His appearance with the Indians was apparently his only one in a pro baseball game ; there is no record of Hamann ever playing in the minor leagues .
Hamann died more than a half - century later , in 1973 .
His appearance with the Indians was apparently his only one in a pro baseball game ; there is no record of Hamann ever playing in the minor leagues .