The 6-foot-3, 209 pound receiver will help boost the Dolphins receiving corps, which is currently missing five injured wide receivers
After going undrafted, Griffey signed a three-year, $1.66 million contract with the Indianapolis Colts. He suffered an injury in camp, and was waived on injury designation. He reached an injury settlement, and was officially cut by the club in July.
Griffey cleared the waivers, and recently had a workout with the Cincinnati Bengals.
In four years at Arizona, Griffey hauled in 79 passed for 1,241 yards and six touchdowns. He had 23 catches for 382 yards and two touchdowns in his senior campaign.
The Dolphins’ next preseason game is Thursday, Aug. 17 against the Baltimore Ravens at 4 p.m. PT.