Background
Krapp was born in Rochester, New New York
Krapp was born in Rochester, New New York
He played for the Cleveland Naps and Buffalo Buffeds/Blues. He started his professional baseball career in 1906, in the Southern Michigan League. In 1909, he led the league with 23 wins and then went to the Portland Beavers of the class A Pacific Coast League.
Krapp had his greatest season in 1910.
Krapp led the PCL with a 1.26 earned run average. The following season, Krapp made his major league debut for the Cleveland Naps, a team which featured stars such as Shoeless Joe Jackson and Nap Lajoie.
Krapp led the American League with 138 walks in 1911 but was also difficult to hit, and he went 13–9. However, he slumped badly in 1912.
Krapp returned to the Portland Beavers in 1913 before making his way to the Federal League.
In 1914, he went 16–14 with a 2.49 European Research Area for Buffalo, setting his major league career-bests in innings pitched, wins, and European Research Area. He pitched one more season for Buffalo and then one in the minor leagues before retiring. Krapp died in 1923.