On 31 August 2008, Metalist Kharkiv secured Maidana's transfer for $3.15 million.[2] Two years later, in January 2010, he was loaned to reigning Argentine champions Banfield.[3]
After six months in Banfield, Maidana joined River Plate,[4] rivals of his former team Boca Juniors. Maidana first goal for River[5] was the winning goal in the 1–0 victory over Boca for the 2010 Apertura's Superclásico.[6]
In January 2019, Maidana signed for Mexican side Toluca.[7] On 18 December 2020, he left Toluca.[8]
On 13 February 2021, Maidana agreed his return to River Plate.[9]