USL Pro side Orlando City SC produced the shock of the fourth round by ushering the reigning champions out of the competition with a 1-0 victory at Sp...
Despite losing Alessandro Nesta to a red card, the Impact held on to earn three points in Kansas City.
Montreal won its domestic cup this week and could ride that confidence against Sporting KC, which has been depleted by international call-ups.
Kei Kamara came on as a substitute and netted an equalizer for SKC in the second half.
Two weeks after Sporting KC scythed down the Dynamo's record home unbeaten run, the teams meet in Kansas City.
The Sporting KC midfielder has benefited greatly from Donovan's absence, but still hopes to see the Galaxy ace back in the squad soon.
Kyle Porter scored his first MLS goal in the second half to secure a share of the points for the home side.