AP

After declaring Tyrod Taylor the starter before the season, the Bills had two backup quarterbacks in Matt Cassel and EJ Manuel. On Sunday, both Cassel and Manuel will start, as Cassel has been traded to the Cowboys and is now their starter, and Manuel will fill in for the injured Taylor for the Bills.

But would the Bills be better off with Cassel starting?

Not according to Bills G.M. Doug Whaley, who when asked if he regrets trading Cassel answered, “No, not at all.”

“In the long run we looked at it as EJ had a longer shelf life,” Whaley said. “Arguably you could say he has a bigger upside.”

The 25-year-old Manuel may have the bigger upside in the sense that he’s got more room to grow and a longer career ahead of him than the 33-year-old Cassel. But at the beginning of the season, the Bills thought Cassel gave them a better chance to win, which is why Cassel was the No. 2 quarterback and Manuel was inactive on game days until Cassel was traded.

If Cassel plays well for the Cowboys tomorrow, and Manuel plays poorly in a loss to the Jaguars, Whaley should be ready for plenty of second-guessing in Buffalo.