The 49ers announced Tuesday that Blue died Saturday at an assisted living facility in Carmichael, Calif. No cause of death was given.
Blue was selected in the first round of the 1967 draft by the 49ers, 15th overall. He played on both the football and baseball teams at Auburn after going to high school in Marfa, Texas.
Following his NFL career, Blue moved back to California, founding Forrest Blue Properties Inc., a development company in Penryn, Calif.
Copyright 2011 by The Associated Press