What condition are Arizona’s running backs in?

Photo by Christian Petersen/Getty ImagesWelcome to our new series in which we try to determine if the Arizona Wildcats’ position groups are in strong, stable, unstable, serious, or critical condition heading into fall camp. Next up are the running backs.

Arizona loses J.J. Taylor to the NFL but brings back three returners who have had increasing roles since stepping foot on campus.

Gary Brightwell will take the reigns as the starting running back after scoring 10 touchdowns on about 1,000 yards over the last two years. The senior has been one of the fastest players on the team regardless of position, which is even far more impressive considering his size at 6-foot-1, 210 pounds. With what…