Marlin was selected by Denver in the 14th round of the 1968 draft.
Briscoe, who starred at QB in college, earned his chance to play as a rookie with the Broncos.
Briscoe made history by becoming the first African American to start at quarterback in the modern era.
Briscoe pitches the ball to running back Floyd Little.
Marlin's scrambling ability added a new dimension to Denver's offense in 1968.
The Broncos shipped Marlin to Buffalo where the Bills converted him to a wide receiver.
Briscoe led the Bills in receiving in 1970 and 1971.
Briscoe's finest season came in 1970 when he caught 57 passes for 1,036 yards and scored 8 TDs. He was named All-AFC, second-team All-NFL and earned a Pro Bowl berth.
Briscoe earned two Super Bowl rings during his years with the Dolphins.
Buffalo traded Briscoe to Miami in exchange for a 1st round draft pick.