Complex sentence: McAvoy rounded out the year by appearing in the first two seasons of "Shameless" as Steve McBride, the moral hero of the BAFTA-winning Channel 4 program, giving the actor a big break in his career.
Split into simpler sentences: McAvoy rounded out the year by appearing in the first two seasons of "Shameless" as Steve McBride, the moral hero of the BAFTA-winning Channel 4 program. This show has been credited as giving the actor a big break in his career.