‘The Bills report the surgery to repair a bulging disc in Wiley’s lower back was successful. He is expected to return to action in four to six weeks. "Steve McNair had a similar thing last year during the season and missed five regular-season games," said Bills coach Wade Phillips, referring to the Tennessee Titans quarterback. "I’d say it’s somewhere in there, which would put us at the end of the preseason. Maybe he’ll be able to play in the last preseason game."’