Basically what happened is, before I simmed Game 1, the most recent version of the league file was after playoffs but before the off-season. So Velevra updated all the players because he is a golden god, and output a ratings file. Meanwhile, I didn't load the ratings file until AFTER the off-season in the sim, so when I loaded it, the file "corrected" all those players back to rookie status.
I fixed the top 10 "rookies" last night, I'll do the other less relevant ones (ESPECIALLY AXELBURY) later.