INDIANAPOLIS (AP) — Colts linebacker Erik Walden will miss Sunday's game at Arizona after losing his appeal with the NFL, a team spokesman confirmed Tuesday. The decision comes one day after league officials announced they were suspending Walden for one game after he ripped off the helmet of Titans tight end Delanie Walker. Walden, who still had his helmet on, then head-butted Walker, drawing a 15-yard penalty. The suspension is expected to cost Walden a game check of about $175,000 and will force coach Chuck Pagano to replace Walden in the starting lineup. Bjoern Werner, Indy's first-round draft pick in April, or Cam Johnson, whom the Colts traded for in September, are expected to get the nod.