Concacaf Champions League 2021 – Round of 16 (Second Leg)

13-15 April 2021

Portland Timbers – CD Marathon
Referee: Ivan Barton (SLV, photo)
Assistant Referee 1: Juan Zumba (SLV)
Assistant Referee 2: Geovany Garcia (SLV)
Fourth Official: German Martinez (SLV)

Atlanta United – LD Alajuelense
Referee: Adonai Escobedo (MEX)
Assistant Referee 1: Miguel Hernandez (MEX)
Assistant Referee 2: Ibrahim Martinez (MEX)
Fourth Official: Diego Montano (MEX)

Cruz Azul – Arcahaie FC
Referee: Jose Torres (PUR)
Assistant Referee 1: Iroots Appleton (ATG)
Assistant Referee 2: Raymundo Feliz (DOM)
Fourth Official: Randy Encarnation (DOM)

Toronto FC – Club Leon
Referee: John Pitti (PAN)
Assistant Referee 1: Ronald Bruna (PAN)
Assistant Referee 2: Alejandro Camarena (PAN)
Fourth Official: Ariel Sanchez (PAN)

Club America – CD Olimpia
Referee: Henry Bejarano (CRC)
Assistant Referee 1: William Arrieta (CRC)
Assistant Referee 2: Henri Pupiro (NIC)
Fourth Official: Benjamin Pineda (CRC)

Philadelphia Union – Deportivo Saprissa
Referee: Fernando Guerrero (MEX)
Assistant Referee 1: Alberto Morin (MEX)
Assistant Referee 2: Pablo Hernandez (MEX)
Fourth Official: Jorge Perez (MEX)

Columbus Crew – Real Esteli
Referee: Keylor Herrera (CRC)
Assistant Referee 1: Juan Mora (CRC)
Assistant Referee 2: Victor Ramirez (CRC)
Fourth Official: Ricardo Montero (CRC)

CF Monterrey – CA Pantoja
Referee: Drew Fischer (CAN)
Assistant Referee 1: Corey Rockwell (USA)
Assistant Referee 2: Logan Brown (USA)
Fourth Official: David Gantar (CAN)