MLS: Week 30 Power Rankings – Union on a roll

CHESTER, PA - AUGUST 08: Union Forward Cory Burke (19) celebrates after the US Open Cup game between the Chicago Fire and Philadelphia Union on August 08, 2018 at Talen Energy Stadium in Chester, PA. (Photo by Kyle Ross/Icon Sportswire via Getty Images)
CHESTER, PA - AUGUST 08: Union Forward Cory Burke (19) celebrates after the US Open Cup game between the Chicago Fire and Philadelphia Union on August 08, 2018 at Talen Energy Stadium in Chester, PA. (Photo by Kyle Ross/Icon Sportswire via Getty Images)
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Atlanta United, Brad Guzan
ATLANTA, GA SEPTEMBER 22: Atlanta goalkeeper Brad Guzan (1) reacts after teammate Julian Gressel scored a goal in the first half during the MLS match between Atlanta United and Real Salt Lake on September 22nd, 2018 at Mercedes-Benz Stadium in Atlanta, GA. Atlanta United FC defeated Real Salt Lake by a score of 2 to 0. (Photo by Rich von Biberstein/Icon Sportswire via Getty Images)

Elite Eight