Tigres cruised to an easy win against Plaza Amador, while Real Esteli held FC Dallas to a draw in CONCACAF Champions League action.
The Vancouver Whitecaps beat Sporting Kansas City 3-0 to take control of Group C of the CONCACAF Champions League on Tuesday night.
Liga MX club Pumas were up to the task at home on Thursday night, securing a 2-0 win against Honduras Progreso in CONCACAF Champions League Group A.
Arabe Unido ran out to an early 3-1 lead against Monterrey and never looked back, holding on to win 3-2.
Sporting Kansas City earned a point in its Group C opener of the CONCACAF Champions League, drawing 2-2 away to Central FC of Trinidad & Tobago.
FC Dallas dominated Real Esteli for 90 minutes but only managed a 2-1 victory in its Group H CONCACAF Champions League opener.