 De Guzmán scored his first goal in the Premier League and for Swansea on 17 November against Newcastle United, the game ended in a 2–1 away victory for the Swans.De Guzmán's second league goal for Swansea came in a 2–1 win over Fulham at Craven Cottage on 29 December, scoring the winning goal for the away side.On 19 January 2013, de Guzmán netted two goals against Stoke City as they won 3–1 at home, his first was from a wonderful free-kick and his second came off of an assist from Danny Graham.