Complex sentence: He pitched in the California Angels and Seattle Mariners organization for five seasons compiling a record of 31-19 with a 3.74 ERA in 90 games, 75 for starts.
Split into simpler sentences: He pitched in the California Angels and Seattle Mariners organization for five seasons. In his career, he compiled a record of 31-19 with a 3.74 ERA in 90 games, 75 for starts.