 Returned to Sevilla for 2010–11, Alfaro benefitted from Navas' absence due to injury and featured in some games early into the season, scoring in a 2–1 win at Málaga CF on 19 September 2010.On 4 November, he scored twice against FC Karpaty Lviv (4–0 home win) for the season's Europa League; the following week, he also found the net in two home fixtures, against Valencia CF (2–0, appearing as a second-half substitute) and Real Unión (6–1, in the round of 32 in the Copa del Rey).On 8 August 2011, RCD Mallorca reached an agreement with Sevilla to buy Alfaro for five years and €700,000.