Entering the 2015 season, had plenty of doubters and had none. Through Week 4, one quarterback has accumulated a 123.0 pa ser rating and a 9:1 touchdown-to-interception ratio while leading his team to a 4-0 record, while the other trails the league in pa ser rating and has notched just one win as a starter. Before the season began, who would've gue sed Dalton would be the former and Luck would...