Club America – Tauro FC
Referee: Armando Villarreal (USA, photo)
Assistant Referee 1: Ian Anderson (USA)
Assistant Referee 2: Eduardo Mariscal (USA)
Fourth Official: David Gantar (CAN)
Club Tijuana – New York Red Bulls
Referee: Kimbell Ward (SKN)
Assistant Referee 1: Graeme Browne (SKN)
Assistant Referee 2: Nicholas Anderson (JAM)
Fourth Official: Daneon Parchment (JAM)
7 March 2018
Toronto FC – Tigres UANL
Referee: Ricardo Montero (CRC)
Assistant Referee 1: Juan Mora (CRC)
Assistant Referee 2: Ainsley Rochard (TRI)
Fourth Official: Henry Bejarano (CRC)
Seattle Sounders – Chivas Guadalajara
Referee: Mario Escobar (GUA)
Assistant Referee 1: Osvaldo Luna (CRC)
Assistant Referee 2: Alejandro Camarena (PAN)
Fourth Official: Jose Kellys (PAN)
