Richmonds spirited display against Collingwood was just the tonic Damien Hardwick and his players needed after a tumultuous week but the coach wont use the 15-point win to paper over the cracks in the Tigers disappointing season.Serious questions were asked of Hardwick, his players and the board that reappointed him for another two years after thumpings by Hawthorn and Greater Western Sydney, and the sense of relief was plain to see in the rooms after the 14.8 (92) to 11.11 (77) win at the MCG on Friday night.The coach was mobbed by jubilant players following the club song but he was careful not to get swept away in the moment.Within club land we dont ride the emotional rollercoasters that external people do, Hardwick said.We realise weve been under-performing this year, absolutely, but our process doesnt change.We prepare the same way and this week was no different to last week, and itll be no different next week.Emotional rollercoasters we leave to external sources and we just worry about what we can control and thats trying to win as many football games as we can.And while one win doesnt wash away the pain of an underwhelming season, there was a lot to like about this one.Dustin Martin was prolific again, Alex Rance had a huge influence in the back half, Jack Riewoldt kicked four goals from limited opportunities and several young Tigers played important cameos.But the story didnt look like it would have a happy ending for Richmond after they conceded the first four goals of the game.How many were from free kicks do you reckon? Hardwick said.Maybe four, which was a bit disappointing.Despite Hardwicks displeasure at the umpiring early on, Collingwood smashed his side 13-3 in the clearances in the first quarter to lead by 14 points at the first break and another week of yellow-and-black headlines loomed.But they showed the sort of fight and spirit that has been lacking too often this season to eke out a six-point lead at halftime that became a 12-point advantage at the last break.Pies skipper Scott Pendlebury looked set to drag his side over line when he kicked the first goal of the last quarter but he limped out of the game soon after with an ankle injury that proved costly.A goal to James Aish put Collingwood back in front with under 10 minutes left, but Martin, who finished with a game-high 34 possessions, was important as the Tigers held their nerve to kick the last three goals to secure a much-needed win.Pies coach Nathan Buckley didnt hide his displeasure with the performance a week after a win over finals-bound West Coast.It was really disappointing, Buckley said.The first 10 minutes looked great ... then we proceeded to play the worst three quarters that weve played all year and we were still two points up with eight minutes to play.It was a disappointing night all around. 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Now that hes hitting streaking teammates with pin-point passes for easy layups, Love is asserting himself as one of the true superstars in the league. NEW YORK -- The business end of the seasons last Grand Slam is approaching and, thankfully, most of the top seeds are still alive. Wednesday offers four fascinating, mostly marquee matches, with the winners advancing to the semifinals:Watch every matchAt 11 a.m. ET, all play on the outer courts (juniors and doubles) will begin on ESPN3. Click to watch?multicam.?At noon ET, ESPN and WatchESPN begin coverage of Wednesdays quarterfinal matches. Click to watch.?To view starting times of upcoming days at the US Open, click here.?Live scoringOur real-time scoreboard, updated stats and social handles can be found on one spot: US Open CourtCast.?Schedules?Heres a schedule of whos playing Wednesday. Click here.Wednesday key matchesNo. 10 Karolina Pliskova versus Ana Konjuh, noon ET on Arthur Ashe Stadium (Watch)This one is the outlier. Konjuh, an 18-year-old from Croatia, has been a revelation, knocking off No. 20 seed Kiki Bertens in the first round and No. 4 Agnieszka Radwanska in the fourth. The WTAs No. 92-ranked player only made it to the second round of the seasons previous three majors. Pliskova will be a tougher out, however. Her 29 aces are tied for second among women, and she took out No. 6 seed Venus Williams in a terrific three-set match in the fourth round. Pliskova and Konjuh have never met.No. 2 Andy Murray versus No. 6 Kei Nishikori, following Pliskova-Konjuh (Watch)This was the quarter, based on seeds, that the draw foretold. After a scratchy third-round win over Paolo Lorenzi, Murray crushed lackadaisical No. 22 seed Grigor Dimiitrov in the fourth round, dropping only five games.dddddddddddd Nishikori, a finalist here in 2014, has played three four-set matches. Murray leads the head-to-head 7-1, including wins in their past four matchups. Murray scorched Nishikori in Rio de Janeiro a few weeks ago.No. 1 Serena Williams versus No. 5 Simona Halep, 7 p.m. ET on Arthur Ashe Stadium (Watch)This is another quarter bracket that played true to form. Williams cant remember ever serving so consistently, and she has yet to lose a set in her quest to keep the No. 1 ranking. Halep has dropped only one set. She was impressive in dispatching No. 11 seed Carla Suarez Navarro in the fourth round. The history between these two has been one-sided: Serena holds a 7-1 career edge, most recently beating Halep in straight sets at Indian Wells in March. In their only Grand Slam meeting, at Wimbledon in 2011, Serena needed three sets to prevail.No. 3 Stan Wawrinka vs. Juan Martin del Potro, following Williams-Halep (Watch)Although del Potro -- in the midst of yet another comeback from wrist surgery -- is unseeded here, he has beaten the two-time Grand Slam champion in four of six previous matches. Del Potros most recent victory, a few months ago at Wimbledon, was significant. He won in four sets, and it was the beginning of his confident surge back into the elite level of tennis. Del Potro won this tournament seven years ago, his only major victory to date. ' ' '