Humberto Suazo scored twice to lift Monterrey to a 2-0 victory over fellow Mexican club Santos Laguna in the first leg of the CONCACAF Champions League final on Wednesday.
Suazo scored in the 60th and the 86th minutes.
The second leg in April 25 at Santos Laguna's Corona stadium in Torreon, Mexico.
Monterrey had an edge in possession, shots and corners but was unable to break through until Suazo scored on a pass from Jesus Aldo de Nigris. Suazo's second goal came on an individual effort as he beat several defenders before slotting the ball home.
Monterrey is the defending champion and defeated Real Salt Lake on a 3-2 aggregate in last year's final.