 Merlin, Phil and Orrin were all playing in the NFL in 1976, which is one of the few times in NFL history that three brothers have ever played at the same time.In 1973 and 1974 Olsen was moved to defensive end where he backed up Fred Dryer and Jack Youngblood.He was traded to the Broncos in 1975, where he reunited with Coach John Ralston, who had recruited him out of high school to Stanford and had coached him in the East-West Shrine Game.