CONCACAF Champions League – Group Stage (I)

16 August 2011
Santos Laguna – Real Espana

Referee: Walter Quesada (CRC, photo)
Assistant Referee 1: Leonel Leal (CRC)
Assistant Referee 2: Octavio Jara (CRC)
Fourth Official: Jeffery Solis (CRC)

LA Galaxy – Motagua

Referee: Enrico Wijngaarde (SUR)
Assistant Referee 1: Ramon Louisville (SUR)
Assistant Referee 2: Garnet Page (JAM)
Fourth Official: Kevin Thomas (JAM)

Alajuelense – Morelia

Referee: Roberto Moreno (PAN)
Assistant Referee 1: Daniel Williamson (PAN)
Assistant Referee 2: Rey Mendoza (PAN)
Fourth Official: Jafeth Perea (PAN)

Seattle Sounders – Comunicaciones

Referee: Paul Delgadillo (MEX)
Assistant Referee 1: Marco Quinteros (MEX)
Assistant Referee 2: Salvador Rodriguez (MEX)
Cuarto: Alfredo Penaloza (MEX)

17 August 2011
Herediano – Monterrey

Referee: Marlon Mejia (SLV)
Assistant Referee 1: Miguel Mendez (SLV)
Assistant Referee 2: Douglas Bermudez (SLV)
Fourth Official: Joel Aguilar (SLV)

Pumas UNAM – FC Dallas

Referee: Jose Molina (HON)
Assistant Referee 1: Juan Rodas (HON)
Assistant Referee 2: Oscar Velasquez (HON)
Fourth Official: Hector Rodriguez (HON)

Colorado Rapids – Metapan

Referee: Trevor Taylor (BRB)
Assistant Referee 1: Adrian Goddard (BRB)
Assistant Referee 2: Clifton Garnes (BRB)
Fourth Official: Adrian Skeete (BRB)

18 August 2011
Tauro – Toronto FC

Referee: Marcos Brea (CUB)
Assistant Referee 1: Hiran Dopico (CUB)
Assistant Referee 2: Jose Rodriguez (CUB)
Fourth Official: David Rubalcaba (CUB)