Purdue has finally published the new roster for 2012. There a a few changes and surprises. Carlos Carvajal went from number 92 to number 3 Frankie Williams went from number 6 to number 2. Sean Robinson is still listed as a Quarterback? Erich Berzinskas went from number 14 to number 13 LaSalle Cooks was removed from the roster Ryan Ullrich was removed from the roster Jules Williams was added to the roster as a linebacker. He's a walk-on who played rugby last year.