CONCACAF Champions League – Preliminary Round (Second Leg)

2 August 2011
Real Esteli - Toronto FC
Referee: Raul Castro (HON)

Assistant Referee 1: Juan Rodas (HON)

Assistant Referee 2: Roberto Giron (HON)

Fourth Official: Armando Castro (HON)

3 August 2011

FC Dallas - Alianza FC

Referee: Enrico Wijngaarde (SUR)
Assistant Referee 1: Ricardo Louisville (SUR)
Assistant Referee 2: Garnet Page (JAM)

Fourth Official: Raymond Bogle (JAM)

Tempete FC - Monarcas Morelia
Referee: Javier Santos (PUR)

Assistant Referee 1: Antonio Lopez (PUR)

Assistant Referee 2: Marvin Ramirez (CRC)

Fourth Official: Junior Andujar (DOM)

Puerto Rico Islanders - Isidro Metapan
Referee: Valdin Legister (JAM)
Assistant Referee 1: Ricardo Morgan (JAM)
Assistant Referee 2: Kedlee Powell (JAM)
Fourth Official: Kevin Morrison (JAM)

Seattle Sounders - San Francisco
Referee: Jeffrey Solis (CRC)
Assistant Referee 1: Octavio Jara (CRC)
Assistant Referee 2: Warner Castro (CRC)

Fourth Official: Hugo Cruz (CRC)

CD Olimpia - Santos Laguna FC

Referee: Jair Marrufo (USA, photo)

Assistant Referee 1: Charles Morgante (USA)

Assistant Referee 2: Corey Rockwell (USA)
Fourth Official: Terry Vaughn (USA)

4 August 2011
Alpha United - Herediano
Referee: Adrian Skeete (BRB)

Assistant Referee 1: Clifton Garnes (BRB)

Assistant Referee 2: Lewis Francis (LCA)

Fourth Official: Leon Clarke (LCA)

CSD Municipal - CD Motagua

Referee: Ricardo Arellano (MEX)

Assistant Referee 1: Hector Delgadillo (MEX)

Assistant Referee 2: Francisco Perez (MEX)

Fourth Official: Jorge Gasso (MEX)