Three years ago the little-known career backup, Matt Cassel, stepped in after the injury to a future Hall of Fame quarterback.
Three years ago, it was Cassel who led the Patriots to an 11-5 record — including an undefeated December.
Three years ago, it was Cassel who became a fan favorite in New England after his 3,693 yard and 21 touchdown performance.
So, naturally the mood would be light on Monday night when Cassel and his Chiefs travel to Foxborough. Cassel’s first appearance at Gillette Stadium, since a Dec. 21, 2008 47-7 win over Arizona.