Just 34 minutes into the clash between MLS conference leaders on Wednesday night, the former Aston Villa and Middlesbrough goalkeeper was sent off.
The 33-year-old USA international rushed off his line in a futile attempt to prevent Khiry Shelton from getting a clear shot away, but merely sunk his studs into the 24-year-old instead of clearing the ball.
1:10 for Guzan’s dismissal
Guzan’s face said it all.
Back-up goalkeeper Paul Christensen replaced Guzan, meaning midfielder Hector ‘Tito’ Villalba was forced to make way.
Atlanta slipped to a 2-0 defeat after second-half goals from Daniel Salloi (67′) and Gerso Fernandes (87′).