Complex sentence: As the championship game begins, Kingman's thoughts keep drifting back to Peyton and he is distracted from performing well and he is injured near the end of the first quarter, causing him to be rushed to the locker room as a result.
Split into simpler sentences: As the championship game begins, Kingman's thoughts keep drifting back to Peyton, and he is distracted from performing well. He is injured near the end of the first quarter, causing him to be rushed to the locker room as a result.