There are just two weeks left in the MLS regular season and the jockeying for the final four playoff spots will be extra intense this weekend as a handful of vital match-ups look to clear up the playoff picture.

The Chicago Fire, Seattle Sounders and Colorado Rapids can lock up playoff spots with wins this weekend while the New England Revolution attempt to halt a late-season slide that has several contenders dreaming of grabbing the final playoff berth.

Two teams already in the playoffs square off in the match of the weekend in Houston, where the Dynamo will take on the Galaxy.

Here is a breakdown of this weekend's MLS matches, along with the Best XI match-ups to watch:

4pm- Real Salt Lake at Toronto FC. RSL is a point out of a playoff spot, but must win in Toronto despite having the second-most road losses in the league. TFC has had time off to prepare for a two-game push for a playoff spot and those hopes, and Chris Cummins job as head coach, rest on beating RSL.

6pm- Chicago Fire at New England Revolution. The Revs are free-falling and must try and stop the bleeding against a Fire team getting healthier and good at winning on the road.

8pm- Columbus Crew at D.C. United. Last year, the Crew ended United's playoff hopes on the season's last day. Columbus could do it again on Saturday. D.C. had been strong at home, but the RFK edge has crumbled with three straight home losses. One more and D.C. will miss the playoffs again.

8:30pm- Colorado Rapids at FC Dallas. Two of the league's best strikers square off as Colorado tries to hold on to its playoff spots by beating red-hot FC Dallas. 

8:30pm- Seattle Sounders at Kansas City Wizards. The Wizards fought gamely, but with their playoff hopes all but dashed, they will try to play spoilers against a Sounders team that can clinch a post-season berth with a win (for those wondering, KC would need to win out, have RSL tie Toronto, and have New England, TFC and RSL lose out the rest of the way, while also having D.C. United and FC Dallas both go no better than 0-1-1 in their final two matches). So yes, KC's playoff hopes are essentially toast.

10:30pm- San Jose Earthquakes at Chivas USA. The Earthquakes have lost Chris Wondolowski and Jason Hernandez for the season, leaving them even more short-handed against a Chivas USA team looking to grab first place in the West.

SUNDAY

3pm- Los Angeles Galaxy at Houston Dynamo. Two teams jockeying for the top spot in the West, and two teams trying to build momentum before the playoffs meet in a match loaded with the league's best players.

MLS Best XI Match-ups to Watch

Fredy Montero vs. Jimmy Conrad

Josh Wolff vs. Jhon Kennedy Hurtado

Julian DeGuzman vs. Javier Morales

Kyle Beckerman vs. Amado Guevara

Shalrie Joseph vs. Cuauhtemoc Blanco

Chad Marshall vs. Luciano Emilio

Jeff Cunningham vs. Corey Gibbs

David Ferreira vs. Pablo Mastroeni

Brad Davis vs. Sean Franklin

Brian Ching vs. Omar Gonzalez

David Beckham vs. Ricardo Clark

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Which match are you most looking forward to watching? Think FC Dallas can keep up its hot streak? Can New England stop the bleeding? Who do you like in the Galaxy-Dynamo tilt?

Share your thoughts below.