Complex sentence: In the sixth inning, he gave up a home run to the leadoff batter, hit the second batter, and in his first pitch to Tim Raines, his humerus bone snapped, ending his season.
Split into simpler sentences: In the sixth inning he started off shaky, allowing a home run to the leadoff batter and then hitting the second batter. Shockingly, on his first pitch to Tim Raines, his humerus bone snapped, ending his season.