Complex sentence: Abbott was 5th at his first Grand Prix event of the season, the 2012 Skate America, and then won silver at the 2012 Trophee Eric Bompard.
Split into simpler sentences: Abbott was 5th at his first Grand Prix event of the season, the 2012 Skate America. He won the silver medal at the 2012 Trophee Eric Bompard.