Three examples of why our grades like Aaron Donald so much

St. Louis Rams defensive tackle Aaron Donald ranks No. 7 among interior defenders in our PFF ratings entering the 2015 season, after his outstanding rookie campaign in 2014. Want visual proof of how disruptive he can be. Check out this string of three plays against the Colts in Week 3 of the preseason, as he stuffs Colts running back Dan Herron three consecutive times:

Donald received a grade of +4.9 for his performance in the game. Look for more of the same in the regular season.