"It's a long story," Cassel told reporters, via ESPN.com. "I think it's better if (the Bills) explained it. I was caught a little bit off guard myself. But like I said, at the end of the day, we were able to resolve it and I'm able to be here and now the important thing is for us to get ready to go, for me to help Tyrod (Taylor) and to get this team ready to go to play Indy."