Video: Mack Hollins Adjusting to NFL, Setting Lofty Goals Posted Jul 31, 2017 Former North Carolina wide receiver Mack Hollins began his college football career as a walkon and now finds him self in the Philadelphia Eagles' training camp where he aims to prove the doubters wrong yet again. From @Eagles training camp, @MackHollins is adjusting to life in the NFL and setting his goals high. #ProHeels pic.twitter.com/bQNPNbqVE2— Carolina Football (@TarHeelFootball) July 31, 2017