He portrayed Juan Carlos "Juice" Ortiz on the FX series Sons of Anarchy (2008–2014) and Hernan "Shades" Alvarez in Luke Cage (2016–2018).

His film roles include Tino Hull in Red Sands (2009), Todd in Bad Hurt (2015), Francisco "Ghost" Alvarez in Lowriders (2017), Deuce in Vault (2019), and Youcef in Emily the Criminal (2022), the latter of which earned him an Independent Spirit Award nomination.

His production company, Dos Dudes Pictures, produced its first feature film in 2014, Bad Hurt, Rossi acting alongside Karen Allen and Michael Harney.

[9][10][11] Rossi gets involved with the men and women of the military, with fellow Sons of Anarchy actors Kim Coates, Dayton Callie and Ron Perlman.

[12] An Ambassador to the Boot Campaign, Rossi works with multiple organizations that raise money for wounded soldiers and those returning with post-traumatic stress disorder (PTSD).