Josef Martinez scored a hat-trick inside 39 minutes – including two from the spot – as Atlanta United put seven past the New England Revolution.
The away side were down to nine within just 38 first half minutes, Je-Vaughn Watson seeing red for a handball while Antonio Mlinar Delamea had an early bath for handling the ball in the box.
Atlanta went into the half 4-0 up through an Anton Walkes goal, while Kevin Kratz, Yamil Asad and Hector Villalba completed the rout in the second half.
North of the border, the Vancouver Whitecaps raced to a 2-0 lead over Minnesota United, with goals for Yordy Reyna and Erik Hurtado while Brek Shea scored in the 88th minute to secure the 3-0 win.
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