 On October 23, he was waived after not playing up to expectations, in order to make room for wide receiver Terry Beasley.In addition to receiving, Hayes returned punts for the Cowboys and was the NFL's leading punt returner in 1968 with a 20.8 yards per return average and two touchdowns, including a 90 yarder against the Pittsburgh Steelers.He was named to the Pro Bowl three times and First-team All-Pro twice and Second-team All-Pro twice.