A last minute penalty from
After a 1-1 draw in the first leg, Rodriguez kept his nerve from the spot to take Santos through to the last four, 2-1 on aggregate.
Monterrey led 3-1 with six minutes remaining, with goals from
Arizala netted twice in the closing stages to complete his treble - but Pachuca could not find a fourth goal which would have ensured their continued interest in the competition.
