 On 24 January 2012, after a good year playing for Ceará, Osvaldo signed a contract with São Paulo FC, whom paid R$4.6 million to emirati side Al-Ahli Dubai for 50% of his rights.After a bad phase, who occurred for all second semester of 2013, Osvaldo almost was exchanged with Fluminense FC to Wágner without agreement of him.But, in beginning of 2014, Osvaldo has played as before, and, after being the star of team in some important games - as in the first game of 2014 Copa do Brasil, in the victory by 1-0 against CSA, with his goal, the club has refused some good proposes, as one of Kashima Antlers.