Pablo Nicolás Caballero Santos (; born 21 July 1986) is an Argentine footballer who plays as a forward.
Born in Totoras, Santa Fe, Caballero graduated from Racing Club de Avellaneda's youth setup. He made his professional debut on 24 November 2007, starting in a 0âÂÂ0 home draw against Independiente for the Primera División championship.
Caballero scored his first professional goal on 28 September 2008, netting his side's last in a 3âÂÂ3 away draw against River Plate. He appeared in 29 matches during the campaign, scoring three goals.
On 26 July 2010 Caballero was loaned to Tigre. After another temporary spell at GuaranÃÂ, he returned to Racing, but only appeared sparingly.
In the 2012 summer Caballero moved to Primera B Nacional's Almirante Brown. After appearing and scoring regularly, he moved to Chinese Super League side Qingdao Jonoon on 23 July 2013.
In January 2014 Caballero returned to his home country, signing for Ferro Carril Oeste. On 30 January 2015 he joined Spanish Segunda División side CD Lugo.
On 17 July 2017, free agent Caballero signed a two-year contract with UD AlmerÃÂa still in the second tier.
After a season with FC Cartagena, he moved to Italy in October 2020 to join Serie D club FC Messina.