FC Dallas' Reggie Cannon criticizes booing of players kneeling during national anthem

    FC Dallas (R) and Nashville kneel during the US national anthem at Toyota Stadium on August 12.

    (CNN)US international Reggie Cannon has described the booing of players who took a knee during the national anthem before a Major League Soccer match as "absolutely disgusting."

    At least one fan could be heard voicing displeasure in Sky Sports' coverage as players from FC Dallas and Nashville knelt in protest against racial injustice.