|Full name||Omar Jesús Merlo|
|Date of birth||12 June 1987|
|Place of birth||Santa Fe, Argentina|
|Height||1.82 m (6 ft 0 in)|
|Playing position||Centre back|
|2008||→ River Plate (loan)||2||(1)|
|2011||Unión San Felipe||36||(2)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 1 December 2016.
Merlo made his first team debut for Colón in 2006, and quickly established himself as a regular member of the first team squad. In February 2008, he signed up with powerhouse team River Plate, in where won the Torneo Clausura. Seasons later, Merlo was a key player at the squad of Primera División club Huachipato that earned 2012 Torneo Clausura, scoring the winning penalty in the final.
- River Plate