 Holroyd made his debut for Cambridge in the club's 3–0 away win at Eastbourne Borough, coming on as a 79th-minute substitute and scoring five minutes later to give Cambridge a three-goal lead.After scoring on his debut, Holroyd went sixteen games without scoring, ending his goal drought in a 4–0 victory over Salisbury City in December 2008.In February 2009, Holroyd scored in successive away victories for Cambridge, scoring from the penalty spot against Rushden & Diamonds, before scoring twice away at Kidderminster Harriers.