Former Ohio State backup quarterback Kenny Guiton is among four undrafted players invited to participate in the Buffalo Bills rookie minicamp.
Also invited to the camp, which opens Saturday, were receivers Caleb Holley (Oklahoma's East Central), Fred Lee (Buffalo) and Ivan McCartney (West Virginia).
To free up room for the added receivers, the Bills released Brandon Kaufman, who had closed last season on Buffalo's practice squad.
Guiton led Ohio State to three consecutive victories in place of injured starter Braxton Miller.
Guiton is best known for playing a key role the Buckeyes' unbeaten season in 2012. Replacing an injured Miller, Guiton rallied the Buckeyes from an 8-point deficit in the final minute in a 29-22 overtime win over Purdue.
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