He then moved to Arizona in 1993 as the voice of the Arizona Rattlers as a play-by-play, radio host and radio field reporter. Bender would remain with the AFL through 2002. Additional AFL broadcasts included the AFL playoffs on TNN and play-by-play broadcasts for the Carolina Cobras. Bender would also serve as a play-by-play broadcaster for SportsWest Productions from 1999 until the company folded after the Mountain West Conference entered into a new TV contract with Comcast and CBS Sports to form the Mtn. in 2006. After finishing college football broadcasts with SportsWest in 2005, Bender transitioned back to the radio and served as a play-by-play broadcaster for the Insight Bowl and select Arizona State games on KKNT during the 2005 and 2006 season.
Trey Bender is a graduate of the University of Kansas and is the son of Gary Bender, a veteran broadcaster who also graduated from the University of Kansas. Trey's wife, Amy, like Trey and Gary, is also a sportscaster. Their daughter Landry is named after Tom Landry, who was the head coach of the Dallas Cowboys.