In 1975, Simmons had a career-high.332 batting average with 18 home runs, 100 runs batted in and set a National League record for most hits by a catcher with 188.
In 1975, Simmons hit 18 home runs along with 100 runs batted and posted a career-high.332 batting average, finishing second in the National League batting championship behind Bill Madlock. He also set a National League record for most hits by a catcher with 188.