Original: While Mularkey was known for creating flashy trick plays, Whisenhunt became more of a cautious innovator, whose well-timed trick plays contrasted the conservative Pittsburgh run game.
Simplified: While Mularkey was known for creating exciting trick plays, Whisenhunt became more of a cautious play-caller, whose well-timed trick plays surprised the Steelers opponents because they were very unlike the conservative Pittsburgh run game.