Even this is a completely FALSE STATEMENT, and I am seriously sick of seeing it repeated, presumably in ignorance. Please look at the stats and reconsider.
Matt Cassel two games, QBR 62.3, 61.6, 2 losses (NYG 4-4, SEA 4-4), 324 yards, 1 TD, 3 INT
EJ Manuel, two games, QBR 81.7, 75.3, 2 losses (CIN 7-0, JAX 2-5), 561 yards, 3 TD, 3 INT
Cassel has brought almost no value whatsoever to his team.
Manuel has played mediocre football behind a poor and injured OL and missing the team's top two WR.
BUT Manuel has been CLEARLY BETTER than Cassel.