 On 12 December 2013, in the last group stage match, he scored a penalty kick to put his team ahead at NK Maribor, but the Slovene won 2–1 to eliminate their opponent.On 29 May 2014, Gómez signed a three-year contract with Sunderland on a free transfer after his contract at Wigan expired.He made his debut on 16 August, coming on as a 68th-minute substitute for Jack Rodwell in a 2–2 draw away to West Bromwich Albion, and scored his first goal 11 days later August in a 3–0 League Cup second round success at Birmingham City.