 On July 27, 2013, he was suspended for the first 4 games of the 2013 season due to violating the league's performance-enhancing drugs policy.After serving his suspension and being reinstated by the NFL the Raiders activated him to their roster on October 7, 2013, filling the open roster spot after the release of quarterback Matt Flynn.On January 7, 2017, Holmes caught his first career postseason touchdown from quarterback Connor Cook in the Raiders' 14–27 wildcard round loss to the Houston Texans.