|Full name||Tomás Martínez|
|Date of birth||7 March 1995|
|Place of birth||Béccar, Argentina|
|Height||1.75 m (5 ft 9 in)|
|Playing position||Attacking midfielder|
|2015-2016||-> Tenerife (loan)||13||(0)|
|2016||-> Defensa y Justicia (loan)||14||(3)|
|* Senior club appearances and goals counted for the domestic league only and correct as of 13:47, 26 October 2017 (UTC).
? National team caps and goals correct as of 2 June 2015
Born in Béccar, Martínez joined River Plate's youth setup in 2001, after starting it out at Atlético Béccar. In July 2011 he signed his first professional contract, with a EUR10 million clause after being linked to Arsenal and FC Barcelona.
On 24 April 2013 Martínez made his first team debut, coming on as a second-half substitute for Mauro Díaz in a 0-1 Copa Argentina home loss against Estudiantes Buenos Aires. He made his Primera División debut on 23 June, starting in a 3-1 home win against San Martín San Juan.