NEW YORK -- Andy Murray was the defending champion in 2014 when his 23-year-old opponent swept him out of Wimbledon.Grigor Dimitrov stormed into his first major semifinal that day, and surely many more would be to come.More than two years later, though, Dimitrov has yet to make it past the round of 16 at any Grand Slam since. His ranking, once in the top 10, plummeted all the way to 40th this summer, not long after he lost his opening match at five straight tournaments.So it was quite the reversal when he won four times in the same event at Cincinnati shortly before arriving at the U.S. Open. And they all came against players ranked among the top 31 in the world -- most notably Stan Wawrinka. Dimitrov wound up losing in three sets in the semifinals there to 2014 U.S. Open champ Marin Cilic.Now the 22nd-seeded Dimitrov is in the round of 16 at a major for the first time since the 2015 Australian Open. As it happens, he lost to Murray then, and the two meet again Monday at that stage of the U.S. Open.As it also happens, Dimitrov recently joined up with coach Dani Vallverdu, who used to work with Murray.Once nicknamed Baby Fed for his games resemblance to that of Roger Federer, Dimitrov has acknowledged that he slogged through a stretch when he wasnt liking the sport too much.Not anymore.I fell in love with tennis again. Its simple as that, Dimitrov said. Its not only because Ive been winning matches or anything like that. Its because I started to enjoy the process again.Im enjoying the work again. Im enjoying waking up in the morning early to come to practice. Im enjoying doing the ice baths again.Dimitrov has yet to face a seeded player here and now meets an opponent who has won 36 of his last 38 matches. Murray has also won his last 26 meetings with players ranked outside the top 20. As it happens, the last such opponent to defeat him was Dimitrov. That came in Miami in March before Murray found his current form in winning his second Wimbledon title and second Olympic gold medal.He had some shaky moments Saturday, though, splitting the first two sets against Paolo Lorenzi -- who was playing in the third round at a major for the first time and coming off a five-hour match.Ill need to play better than today if I want to win that, Murray said after that four-set victory about his upcoming meeting with Dimitrov.Other matches to watch on Day 8 of the U.S. Open:WILLIAMS WATCHING: The Williams sisters play back-to-back in Arthur Ashe Stadium on Monday afternoon. Venus is up first, facing 10th-seeded Karolina Pliskova, who is in the round of 16 at a major for the first time. For Venus, its the 45th time.Then Serena meets 52nd-ranked Yaroslava Shvedova. The last time she lost to a player outside the top 50 at a Grand Slam was to No. 111 Virginie Razzano at the 2012 French Open, after which she started working with coach Patrick Mouratoglo. Shes won nine of the 17 majors since.COPYING CONNORS: A quarter-century after 39-year-old Jimmy Connors rode raucous crowds to an improbable U.S. Open semifinal appearance, perhaps its only appropriate that Juan Martin del Potro could become the lowest-ranked quarterfinalist at Flushing Meadows since then.The 142nd-ranked del Potro has been willed along by fans in New York who fondly remember his 2009 title and respect his comeback from three left wrist surgeries. Hes yet to play any marathon matches, though, with three straight-set wins.He takes on eighth-seeded Dominic Thiem, who turned 23 on Saturday and is grappling with the wear and tear of a long season.Speaking of Connors, 37-year-old Ivo Karlovic is the oldest man to make the round of 16 at a major since that magical 1991 run. He meets sixth-seeded Kei Nishikori. Third-seeded Stan Wawrinka, who saved a match point in a five-set win Saturday, faces Illya Marchenko, whos in his first Grand Slam round of 16.CRYING GAME: When Croatian teen Ana Konjuh played Agnieszka Radwanska in the second round at Wimbledon, she had three match points -- and many more tears. Konjuh accidentally stepped on a ball and injured her right ankle in the next-to-last game of the 2-6, 6-4, 9-7 loss. Now they meet in the round of 16 under the lights at Ashe, where the fourth-seeded Radwanska will be seeking her first U.S. Open quarterfinal. The 92nd-ranked Konjuh is already on her deepest run at a major.Fifth-seeded Simona Halep faces No. 11 Carla Suarez Navarro in the other womens match.Asics Wholesale Nz . Miller finished in two minutes, 6.09 seconds, one day before the first medal race on the Alpine schedule. The 36-year-old American also turned in the top time in Thursdays opening training session. Cheap Asics Shoes Nz .ca. 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The four All-Star teams will play for $100,000 in prize money during TSNs annual skins game, airing live this weekend on TSN from The Fenlands Banff Recreation Centre.LAHAINA, Hawaii -- Wisconsin jumped out to a big early lead, only to see Tennessee put together two runs to take the lead.The Badgers are a veteran team, though, and they managed to keep their calm during the Vols storm.Bronson Koenig scored 21 points, Nigel Hayes had 17 points and 10 rebounds, and No. 16 Wisconsin opened the Maui Invitational with a 74-62 win over Tennessee on Monday.I like how hard they played, Wisconsin coach Greg Gard said. I didnt think they flinched when Tennessee made a run, which we knew they would do. Theres a lot of things we would take from this. This is what makes this tournament is that you see good competition three days in a row, and youve got to continue to improve from game to game.Wisconsin (3-1) built its big early lead behind good shooting and rallied after Tennessee made two runs to take the lead early in the second half. Hayes hit a couple of big 3-pointers and the Badgers pulled away late to earn a spot in the second round against Georgetown on Tuesday.Wisconsin, in its third Maui Invitational, shot 56 percent and used its size advantage inside to pull down 11 more rebounds. Ethan Happ added 16 points for the Badgers.Its early in the year and it was a good test for us, and its just kind of showed us what we need to work on, said Koenig, who made 9 of 15 shots. We need to slow down not let them speed us up. And play at our pace and control the tempo more so.Tennessee (1-2) trailed by 17 midway through the first half before finding its footing in Maui. The Vols had a pair of 10-0 runs yet were unable to sustain their momentum after Wisconsin answered.Shembari Phillips led Tennessee with 16 points, and Detrick Mostella and Robert Hubbs III had 12 each.I thought that, as you would expect, so many young guys coming out, we were a little bit jumpy at the start of the game, Tennessee coach Rick Barnes said. I thought they showed some terrific mental toughness fighting back into it and against an experienced team.Wisconsin fell into an 8-0 hole before pulling away from Chicago State in its last game, but it had no troublle with a slow start against Tennessee.dddddddddddd The Badgers hit their first five shots to open the game with a 12-0 run and led by 17 at one point.The young Vols began to take advantage of their athleticism after those early struggles, using a 10-0 run midway through to pull within 40-32 by halftime.They kept it going to open the second half, scoring the first 10 points to take a 42-40 lead.Tennessee used its pressure to create opportunities during both runs but didnt have an answer when Wisconsin turned up its defensive pressure.The Badgers took control after the Vols second run, pulling away as the mostly pro-Wisconsin crowd filled tiny Lahaina Civic Center with roars.Weve got to learn how to finish, learn how to sustain a lead and well be all right, Phillips said. This will help us in the long run.BIG PICTURETennessee showed some poise in rallying from a 17-point deficit and flashed its athleticism to keep up with the Badgers. Theres still some work to do defensively and with cohesiveness on the offensive end.Wisconsin had some trouble with Tennessees depth and athletic young players but shot well and was solid defensively.BONES FOOTTennessee freshman guard Jordan Bone has been nursing a sore foot and tried to give it a go against Wisconsin. It didnt last long. Bone was limited to seven minutes, missing both his shots.WISCONSIN TURNOVERSWisconsin has been one of the nations best teams at protecting the ball and should be good again this season with such a veteran team.But the Badgers had trouble with Tennessees quickness when the Vols turned up the defensive pressure, leading to 18 turnovers.It has to be reduced drastically. We know it, Gard said. Well continue to work on it. And they understand it.UP NEXTTennessee will face No. 13 Oregon in the second round on Tuesday.Wisconsin faces Georgetown in Tuesdays second round after the Hoyas knocked off Oregon.---More AP college basketball at http://collegebasketball.ap.org ' ' '