Complex sentence: He was a right-handed pitcher for one season (1915) with the St. Louis Browns, during which he compiled a 2-4 record, with a 3.93 earned run average, and 19 strikeouts in 50⅓ innings pitched.
Split into simpler sentences: He was a right-handed pitcher for one season (1915) with the St. Louis Browns. For his career, he compiled a 2-4 record, with a 3.93 earned run average, and 19 strikeouts in 50⅓ innings pitched.