Sporting Kansas City and Real Salt Lake battled for 97 minutes on Saturday night at Rio Tinto Stadium in a match between the MLS' two best teams.
Sporting won the match in controversial fashion, but was it enough to boost them above RSL in the B/R MLS Power Rankings this week?
Read on to see where those two clubs and the other 17 in the league landed this week.
Every week, our MLS experts will rank each team from one to 19.
Each team will be given a point total for its specific ranking.
For example, the team that is ranked No. 1 is given 19 points, while the last-place team receives just one point.
We will compile the votes each week, and the team with the highest point total will be placed atop the power rankings.
Meet Our Voters
All statistics obtained from MLSSoccer.com
Last Week's Ranking: 19
Week 21 Result: Loss to Chicago, 4-1.
The cellar dwellers of the Eastern Conference were handed a thrashing at Toyota Park on Saturday by the Fire.
Luis Silva did score his first goal for the club since being acquired from Toronto, but his goal came after the Fire already beat keeper Joe Willis four times.
Last Week's Ranking: T-17
Week 21 Results: Loss to Chivas USA, 1-0; Draw with New York, 0-0.
Toronto FC saved face a bit on Saturday as they held the Red Bulls to a goalless draw at BMO Field just three days after falling flat on the West Coast against Chivas USA.
The Reds will look to steal points from another Eastern Conference rival on Saturday when they host the Crew.
Last Week's Ranking: T-17
Week 21 Result: Win over Toronto, 1-0.
Will Carlos Bocanegra have the same effect on Chivas USA as Mike Magee did with Chicago?
It sure seems that way after one match, as the Goats earned their first win since March 30 with Bocanegra in the lineup for the first time since his move from the second division in Spain.
Last Week's Ranking: 15
Week 21 Result: No Match Played
While the Earthquakes had a week off from league play this weekend, they did play a friendly against EPL side Norwich City at Buck Shaw Stadium.
Cordell Cato scored the only goal of the match as the Quakes defeated the Canaries on Saturday night.
Last Week's Ranking: 14
Week 21 Result: Loss to New England, 2-0.
The Crew fell victim to a stoppage-time surge by the Revolution on Saturday night in their loss at Crew Stadium.
The loss was a brutal blow to the playoff hopes of the Crew, who now sit in eighth place in the Eastern Conference standings with 23 points.
Last Week's Ranking: 16
Week 21 Result: Win over D.C., 4-1.
With their trampling of D.C. at home on Saturday, the Fire moved within five points of the Eastern Conference playoff places.
In the victory, Mike Magee continued his scoring rampage with the final Fire goal of the match in the 56th minute.
Magee, who has 12 goals this season, sits one goal behind Vancouver's Camilo Sanvezzo in the Golden Boot race.
Last Week's Ranking: 12
Week 21 Result: Draw with Colorado, 1-1.
With Eddie Johnson called up to the United States' Gold Cup squad, the other half of the bleach brothers was forced to step up and score his first career goal.
DeAndre Yedlin scored his first MLS goal on a driving shot that eluded the reach of Rapids keeper Clint Irwin.
The win helped Sigi Schmid's club remotely stay in touch with the playoff picture in the Western Conference.
They currently sit seven points behind fifth-place FC Dallas.
Last Week's Ranking: 13
Week 21 Results: Loss to Colorado, 2-1; Win over Columbus 2-0.
New England started their week off with a loss on the road to Colorado, and ended it with a thrilling win in Columbus.
Jose Goncalves and Diego Fagundez salvaged the road trip with two goals in a three-minute span during second-half stoppage time to power the Revs past the Crew.
Last Week's Ranking: 11
Week 21 Results: Win over New England 2-1; Draw with Seattle, 1-1.
Oscar Pareja's club secured a crucial four points this week as they continue to challenge FC Dallas for the final Western Conference playoff spot.
With their results from Wednesday and Saturday, the Rapids have 31 points, which puts them just one point behind fifth-place FC Dallas.
Last Week's Ranking: 10
Week 21 Result: Draw with Montreal, 0-0.
FC Dallas failed to break out of their funk on Saturday afternoon in Montreal.
Schellas Hyndman's club has now failed to win a match in eight matches, a streak that dates back to May 25.
Last Week's Ranking: 9
Week 21 Result: Draw with Portland, 0-0.
For the second consecutive week, the Union had to deal with severe weather at PPL Park.
Their match with Portland on Saturday night experienced a lightning delay of over an hour.
After the match restarted, the Union threatened the Timbers' goal numerous times but could not find a breakthrough.
Last Week's Ranking: 8
Week 21 Result: Draw with FC Dallas, 0-0.
Montreal's tumble down the Eastern Conference standings was put on hold this week as they drew with FC Dallas.
The Impact sit in second place on goal difference ahead of New York and one point ahead of Philadelphia.
The schedule fails to get any easier next week for Marco Schallibaum's club as Sporting Kansas City visits Stade Saputo.
Last Week's Ranking: 6
Week 21 Result: No Match Played
Houston's two-match winning streak was safe for another week, as they enjoyed a week off before taking on Chicago at home on Saturday.
Last Week's Ranking: 4
Week 21 Result: Draw with Toronto, 0-0.
The Red Bulls delivered a disappointing result north of the border in Toronto, as they left BMO Field with just one point and no goals.
Mike Petke's club will now face a rough two-week stretch against the leaders of each conference, beginning with their match at Red Bull Arena on Saturday against Real Salt Lake.
Last Week's Ranking: 5
Week 21 Result: Loss to Los Angeles, 2-1.
Despite receiving a goal from Golden Boot leader Camilo Sanvezzo, the Whitecaps fell to the Galaxy at the StubHub Center.
Sanvezzo's goal in the 19th minute was his 13th of the season.
The Brazilian forward has now scored in six of his last seven matches.
Last Week's Ranking: 7
Week 21 Result: Win over Vancouver, 2-1.
Los Angeles climbed into third place in the Western Conference after their come from behind victory at the StubHub Center against Vancouver.
Young guns Gyasi Zardes and Jose Villarreal scored a goal apiece for Bruce Arena's club, who will be without Landon Donovan for one more week.
Last Week's Ranking: 2
Week 21 Result: Draw with Philadelphia, 0-0.
Portland's venture to the East Coast was quite the eventful one.
In between Donovan Ricketts' four saves to hold their match with the Union to a goalless draw, the Timbers had to deal with an hour-long lightning delay.
The Timbers will head back to the West Coast on Saturday as they pay Buck Shaw Stadium a visit to take on the Earthquakes.
Last Week's Ranking: 1
Week 21 Result: Loss to Sporting, 2-1.
Words fail to describe the emotions that were felt by everyone associated with Real Salt Lake after their loss to Sporting Kansas City at home.
Jason Kreis' club felt slighted as the referee extended the match by two extra minutes and allowed Sporting to score the match-winner.
RSL will look to rebound from their rocky weekend as they travel east on Saturday to play the Red Bulls.
Last Week's Ranking: 3
Week 21 Result: Win over Real Salt Lake, 2-1.
Sporting Kansas City left Rio Tinto Stadium with a tainted victory on Saturday night.
Ike Opara scored in the seventh minute of stoppage time to deliver his club their 10th win of the season.
The controversial win extended Sporting's lead atop the Eastern Conference to four points, and they have to be the clear-cut favorites to win the East after Saturday's events.