Born in Rosario, Santa Fe, Tomás O'Connor is of Irish descent[1] He joined the Rosario Central academy in 2018,[2] from youth team ADIUR in his hometown, a feeder club for Spanish side Villarreal.
[2] The young midfielder made his professional debut for Rosario on the 7 May 2023 replacing Lautaro Giaccone and scoring in a 4–0 home Superliga win against Platense.
[1][3] O'Connor established himself as a regular starter for the Canalla in the following 2023 Copa de la Liga Profesional.
[4][5] Despite suffering a severe concussion early September,[6][7][8] he was along with Jaminton Campaz and Jorge Broun amongst the only three footballers to play every game of what would prove to be a title-winning campaign.
This biographical article related to an Argentine association football midfielder is a stub.