Complex sentence: In 2008, Redding went 10-11 with a 4.95 ERA despite his post-All-Star break slump where he went 3-8 with a 6.92 ERA.
Split into simpler sentences: In 2008, Redding went 10-11 with a 4.95 ERA. However, he slumped after the All-Star break, going 3-8 with a 6.92 ERA.