By not attending OTAs, Dunlap is forfeiting a $300,000 workout clause in his contract.
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Among the players who were limited in Tuesday’s practice were safety Shawn Williams, who participated in position drills but was limited to running sprints between plays during 11 on 11 drills, tackle Jake Fisher and tight end Tyler Eifert.
Fisher missed the final eight games of 2017 with a heart issue, while Eifert missed the final 14 games with a back injury that required surgery.
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Rookie center Billy Price, the first-round pick from Ohio State, participated in install drills but no active 11-on-11 plays as he recovers from the torn pectoral he suffered at the Combine.
Two players who only did side rehab work were tight end Tyler Kroft and rookie wide receiver Auden Tate, who was a full participant in rookie camp for the two practices that were open to the media.