NEW YORK -- So many of her gifted contemporaries -- Justine Henin, Martina Hingis, Kim Clijsters -- checked out early. Why has Serena Williams, less than three weeks from her 35th birthday, continued to subject herself to the rigors of elite tennis?I think it just comes from a different place of just love and really enjoying it, Williams said Monday after she advanced to the quarterfinals of the US Open. I definitely never thought I would be playing still. Now I dont really see when Im going to stop because Im just enjoying these moments out here, getting to break records that I didnt even know existed or I didnt even know was possible.I think when you really enjoy what you do, its different.Four matches in, the No. 1-seeded Williams is precisely where the draw predicted -- opposite No. 5 Simona Halep in a 7 p.m. ET match Wednesday at Arthur Ashe Stadium (ESPN2 and WatchESPN).Given the quality and quantity of her time in tennis, Williams is starting to threaten many of the standards of this great game. On Monday, she won her 308th Grand Slam singles match, vaulting her past Roger Federer for the most all time.I just think winning 308 matches in general is pretty awesome. For that to be in a Grand Slam is pretty cool, she said. Its a huge number. Ive been playing for a really long time, but also given that consistency up there. Thats something that Im really proud of.Williams, by broad consensus, is the greatest womens server ever. How is it possible that, here, in her 21st year as a professional, she is serving better than ever?In the gaudy area of aces, shes well ahead of the field with 42, but her percentage of unreturned serves (48) and first-serve points won (87) are far and away the best numbers here. She cracked a 126 mph ace Monday against Yaroslava Shvedova -- fastest on the womens side here and faster than more than half the men.Its easy to forget Williams came in with a shoulder injury that caused her to miss the tournament three weeks in Cincinnati.I dont think I really served in the summer until I got here to New York, she said. It was a really tough summer for me.Maybe thats the key.Williams has beaten Halep in seven of their eight previous meetings, most recently in March at Indian Wells in straight sets. Halep dismissed the idea that it would be a mental challenge.Shes like the best player in the world, Halep said. I dont have to be afraid or to have emotions because I have nothing to lose. Like I said many times, I have learned from her many times.Such as?Oh, shes ambitious, Halep said. She gives everything to win all the matches. Her focus. She is focused, and she doesnt give up. Three things. And Im not telling anymore.Serena, who has been ranked at No. 1 for 186 consecutive weeks, knows the drill. She welcomes the added motivation on the other side of the court in her matches.With everyone I play, they play a step up and above their ranking, she said. I think thats the beauty, one of the reasons Im able to hang. Everyone Im playing is playing like theyre No. 1.To me it doesnt really matter who I play because I have to expect theyre going to play the match of their life. nike vapormax plus γυναικεια . - Baltimore Ravens quarterback Joe Flacco is not a fan of his teams use of the wildcat formation, saying "it makes you look like a high school offence. nike vapormax ανδρικα . 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BOSTON -- A year ago, Rick Porcello was hearing nearly as many boos as cheers in Fenway Park.Now, hes piling up wins in front of the home fans.Porcello became the first Boston pitcher in 55 years to open a season 10-0 in Fenway, and Hanley Ramirez and Travis Shaw both hit a three-run homer as the Red Sox beat the Minnesota Twins 8-7 Sunday to earn a split of a four-game series.I just feel good here, Porcello said. I feel comfortable pitching in front of our crowd.Last year, the 27-year-old Porcello was expected to be an ace for the staff after the club acquired him from Detroit before the season, but he lost six of his first 11 starts at home and ended the year just 9-15 overall with a 4.92 ERA.Rick is in a very good place here in Fenway, Red Sox manager John Farrell said. You talk about dependable and reliable, he embodies that. He epitomizes that.Porcello (13-2) allowed five runs with eight strikeouts in 6 2/3 innings, becoming the first since Don Schwall in 1961 to win his first 10 Fenway decisions in a season.Dustin Pedroia hit a tiebreaking solo homer and Xander Bogaerts had three singles for Boston, which won its 10th time in 13 games.Juan Centeno had three hits and drove in three runs for the Twins, who completed a seven-game road trip 4-3 but gave up four unearned runs in a key inning.Youve got a chance to come in here and potentially beat a team thats been playing good -- three out of four, Minnesota manager Paul Molitor said. Unearned runs, theyre painful, theyre tough when you cant find a way to get off the field.Brad Ziegler got the final three outs for his first save with Boston after being acquired from Arizona earlier this month.The Red Sox surged ahead with five runs -- four unearned -- and chased Tommy Milone (3-3) in the fifth.Pedroia homered over the Green Monster. Third baseman Miguel Sano had a grounder go through his legs for an error that scored a run before Shaw belted his homer into Bostons bullpen, making it 8-3.The one to Shaw was just a curveball that hung over the middle of the plate, Milone said. He was waiting for it. They capitalized hard on the mistakes.Milone gave up eight runs -- four earnedd -- in 4 2/3 innings, snapping a personal three-game winning streak.ddddddddddddhe Twins scored two runs in the seventh and eighth innings, slicing it to 8-7.Ramirezs homer -- his fifth in five games -- went into the first row of Monster seats, with a fan making a nice standing, two-handed grab, to make it 3-2.The Twins tied it when Max Kepler tripled leading off the fourth before scoring on Kennys Vargas grounder.TRAINERS ROOMTwins: C Kurt Suzuki was out with stitches in his chin after getting hit in the face mask Saturday. Were trying to look at ways that we can potentially protect him if we needed to play him in an emergency, Molitor said.Red Sox: DH David Ortiz was rested. . Farrell said CF Mookie Betts right knee was improved and we hope that by (Monday) night hes back in the lineup. Betts left Fridays game with soreness in the knee.BULLPEN HELPThe Red Sox recalled RHP Joe Kelly from Triple-A Pawtucket before the game after sending RHP Heath Hembree there following Saturdays loss.Kelly has only started since being acquired in 2014, but has pitched 52 2/3 career innings of relief with a 3.25 ERA.KEY OUTJunichi Tazawa entered with bases-loaded and no outs in the eighth. He allowed two inherited runners to score, but struck out Byron Buxton on a splitter in the dirt to end the inning.NEW JEWELRYOrtiz wore a Boston Marathon medal in the dugout thats given to runners that finish.A friend of mine that ran the Marathon gave it to me, he said, pointing to it hanging in his locker. I wear my jewelry on different days. I just put it on.UP NEXT:Twins: Theyre off Monday before beginning a six-game homestand Tuesday. RHP Ervin Santana (3-8, 3.93) faces Atlanta RHP Lucas Harrell (1-2, 4.24) in the first of a two-game series.Red Sox: LHP Drew Pomeranz makes his second start for Boston Monday after being acquired from San Diego. He gave up five runs in three innings in his debut Wednesday against the Giants. RHP Justin Verlander (9-6, 3.74) is slated to go for the Tigers in the opener of a three-game series. ' ' '