Clint Dempsey is being tested for an irregular heartbeat and will miss the Seattle Sounders' game on Sunday against the rival Portland Timbers.
Take a behind-the-scenes look at the New England Revolution's Lee Nguyen.
A hotly contested Rocky Mountain Cup, the most entertaining one-two punch in MLS hosting its rivals and Jason Kreis' revenge. MLS Rivalry Week.
Steven Gerrard has hinted that he could be keen to take on a coaching role with England if he calls time on his playing career in November.
Take a look at the top five goals in the history of the Real Salt Lake and Colorado Rapids rivalry.
Tim Howard says he believes Real Salt Lake's Nick Rimando is "the greatest goalkeeper in MLS history."