Complex sentence: He currently holds the NCAA Division I-A record for most passing yards in a single season, with 5,833 in 2003, also in that year, he had 52 TD passes, which is third all-time.
Split into simpler sentences: He currently holds the NCAA Division I-A record for most passing yards in a single season, with 5,833 in 2003. Also in that year, he had 52 TD passes, which is third all-time.