Complex sentence: He set career highs in touchdowns, with 31, whilst limiting his interceptions to only 12, he also set a career high for passer rating with 95.7 (excluding his 2006 season in which he only completed one pass).
Split into simpler sentences: He set career highs in touchdowns, with 31, while limiting his interceptions to only 12. He also set a career high for passer rating with 95.7 (excluding his 2006 season in which he only completed one pass).