Zeballos started his career in the youth divisions of Sol de América where he played alongside José Ortigoza.

In 2006, Zeballos was transferred to Bolivian club Oriente Petrolero on a six-month loan period, where he became the top-scorer with 16 goals in 14 league appearances and helped the team reach second position during the 2006 Liga de Fútbol Profesional Boliviano Torneo Clausura.

With this record, Zeballos was top scorer of the 2011 season in Paraguay with a total of 25 goals, attracted on themselves the attention of Genoa and Cagliari.

[6] In the summer of 2012, Zeballos joined Russian Premier League side Krylia Sovetov Samara on a three-year contract.

[7] Zeballos made his debut for Krylya Sovetov in the 2012–13 Russian Premier League season in a 1–1 home draw against Terek Grozny on 22 July.

[8] After 1 goal in 15 appearances in the first half of the season for Krylia Sovetov, Zeballos joined Ecuadorian side Emelec on a six-month loan deal till 30 June 2013, with the option of a permanent move.

[9][10] He arrived to the Emelec, where he was loaned for a great sum of money, but only managed one goal during his time, for which he was criticized by the fans and the media that he wasn't worth the amount paid for.