By Daniel Bates Jaylen Waddle put up no shortage of big numbers in his rookie season. The sixth overall pick in the 2021 NFL Draft made an immediate impact as a rookie, bringing in 104 catches for over 1,000 yards and six touchdowns in 16 games. But according to the former Alabama standout, it’s not good enough. And there’s stat in particular that the 23-year-old said he needs to improve. Appearing on the “I Am Athlete” podcast hosted by former Pro Bowl receivers Brandon Marshall and Chad Johnson; Jaylen Waddle said he didn’t average nearly enough yards per catch. “I ain’t going to lie,” Waddl…