Group B of the 2021 CONCACAF Gold Cup took place from 11 to 18 July 2021 in Frisco's Toyota Stadium and Kansas City's Children's Mercy Park.
[1] The group consisted of Canada, Haiti, Martinique, and host nation the United States.
[2] In the quarter-finals: Man of the Match: Junior Hoilett (Canada)[6] Assistant referees:[7] David Morán (El Salvador) Zachari Zeegelaar (Suriname) Fourth official: Oshane Nation (Jamaica) Video assistant referee: Edvin Jurisevic (United States) Assistant video assistant referee: Juan Gabriel Calderón (Costa Rica) Man of the Match: Walker Zimmerman (United States)[8] Assistant referees:[7] Walter López (Honduras) Geovany García (El Salvador) Fourth official: Diego Montaño (Mexico) Video assistant referee: Erick Miranda (Mexico) Assistant video assistant referee: León Barajas (Mexico) Man of the Match: Cyle Larin (Canada)[9] Assistant referees:[10] William Arrieta (Costa Rica) Caleb Wales (Trinidad and Tobago) Fourth official: Benjamin Pineda (Costa Rica) Video assistant referee: Allen Chapman (United States) Assistant video assistant referee: Tim Ford (United States) Man of the Match: Daryl Dike (United States)[11] Assistant referees:[10] Nicholas Anderson (Jamaica) Jassett Kerr (Jamaica) Fourth official: Diego Montaño (Mexico) Video assistant referee: Angel Monroy (Mexico) Assistant video assistant referee: Juan Rangel (Mexico) Man of the Match: Ricardo Adé (Haiti)[12] Assistant referees:[13] Juan Francisco Zumba (El Salvador) Geovany García (El Salvador) Fourth official: Bryan López (Guatemala) Video assistant referee: Tim Ford (United States) Assistant video assistant referee: Fernando Hernández (Mexico) Man of the Match: Shaq Moore (United States)[14] Assistant referees:[13] Michel Morales (Mexico) Henri Pupiro (Nicaragua) Fourth official: Keylor Herrera (Costa Rica) Video assistant referee: Carlos Ayala (Mexico) Assistant video assistant referee: Joel Rangel (Mexico) Fair play points would have been used as a tiebreaker should the overall and head-to-head records of teams were tied.
These were calculated based on yellow and red cards received in all group matches as follows:[15] Only one of the above deductions was applied to a player in a single match.