Mexican clubs have once again dominated proceedings in the CONCACAF Champions League, with Santos Laguna, Monterrey, and Pumas all booking their place in the semi-finals alongside surprise packages Toronto FC. Toronto are the lone Major League Soccer survivors after having defeated Los Angeles Galaxy in the quarter-finals, and will be looking to overcome a stiff test in Santos Laguna. Meanwhile, reigning champions Monterrey open the semi-finals at home against fellow-Mexican side Pumas.The competition is rapidly nearing its end as these four teams are set to begin the penultimate round on Wednesday. FIFA.com previews all the details.Semi-finals fixtures:28 MarchToronto-Santos LagunaMonterrey-Pumas4 AprilSantos Laguna-TorontoPumas-MonterreyThe matchesToronto-Santos LagunaWith Major League Soccer just getting underway, Toronto FC are perhaps the shock qualifiers for the semi-finals phase of