GREEN BAY — He shared a position room with two Super Bowl MVP quarterbacks, studied under the NFL’s top offensive minds, and even was coached by a Lombardi.
Last spring, few had heard of the 6-foot-1, 216-pound quarterback out of Wesley College in Dover, Del., despite being the first Division III passer to throw for more than 5,000 yards during his senior year with the Wolverines.
Callahan’s video-game numbers in four seasons at Wesley – 12,878 passing yards and 130 TDs – did put him on the radar of the Packers’ personnel department, which brought Callahan in to compete for the No.