Complex sentence: Riley was named the 2006 ACC Rookie of the Year after leading the league in passing efficiency, and he started 12 games for Wake Forest during the 2007 season, setting an ACC record for completion percentage in a season.
Split into simpler sentences: Riley was named the 2006 ACC Rookie of the Year after leading the league in passing efficiency. Riley started 12 games for Wake Forest during the 2007 season, setting an ACC record for completion percentage in a season.