Was the Cam Weaver penalty kick legitimate against the Vancouver Whitecaps? Did Osvaldo Alonso risk giving up the draw late for Seattle? Plus controversial red cards for D.C. United and Toronto FC.Check out the best plays from the weekend on Plays of the Night: http://www.mlssoccer.com/video/2014/05/27/darlington-nagbe-erik-hurtado-steal-show-plays-night