For the second straight year, Serena Williams has withdrawn from the season-ending WTA Finals in Singapore, citing the right shoulder injury that plagued her during the Rio Olympics and US Open.Im really bummed I wont be able to compete this year in Singapore. It has been a tough year for me, dealing with so much shoulder injuries, Williams said in a video announcement posted to the WTAs Twitter account.My doctors insist that I stay at home so I can start to heal. Im doing treatments every single day so I can play next year and have the chance to make it back to Singapore. I only have wonderful memories of playing in Singapore, and I will really miss my fans. I want to wish everyone a great time, and I hope it will be an amazing tournament -- it always is.Williams, 35, won her Open era-record-tying 22nd Grand Slam singles title at Wimbledon, and she reached the finals of the Australian Open and French Open before falling to Karolina Pliskova?in the US Open semifinals. That early September defeat resulted in her ceding the No. 1 ranking to Angelique Kerber after a 3?-year stay at the top, and Williams hasnt played since.She played in only eight tournaments in 2016, winning two of them, including Wimbledon.?With Williams withdrawing, Kerber is assured of finishing the year ranked No. 1.The WTA Finals are set for Oct. 23-30 at the Singapore Indoor stadium, and the final spot in the year-end tournament will be decided at the Kremlin Cup in Moscow.Svetlana Kuznetsova?and Carla Suarez Navarro can guarantee a place in the WTA Finals by winning the event. However, if neither win, the final spot stays with Britains Johanna Konta, who isnt playing this week as she tries to shake off an abdominal strain.The Associated Press contributed to this report.?Dave Niehaus Jersey . 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Nick Tropeano Jersey .com) - The game was all punts and field goals before Kodi Whitfields catch.TEMPE, Ariz. -- The Arizona Cardinals seem to be undergoing something of a personality change.The big-play passing offense that propelled them to a 13-3 record a year ago is giving way to a ground game centered on dynamic running back David Johnson.Coach Bruce Arians said the philosophy hasnt changed but the running game has.Weve always wanted to run it, Arians said after practice Wednesday. We havent always been able to. With the running back situation, were able to run the football and that makes it a whole lot easier, especially on the quarterback. But, no, our philosophy hasnt changed. Were still how we are.Quarterback Carson Palmer agreed.Its what we want to do. I think its what everybody wants to do, he said. You run the ball and you go play-action and take our shots. There hasnt been a ton of it (in the past). I think the main thing is weve gotten so much better in the run game. Were doing such a good job up front, regardless of whos kind of filtered in with injuries. But weve improved our running game dramatically.The Cardinals have rushed for at least 170 yards in consecutive games for the first time since 1988, the teams first season in Arizona, in wins that evened the teams record at 3-3.But there have been hardly any of those big passing plays that have been so common in the past. Perhaps its because defenses have adjusted to take those away or receivers havent been able to get separation or Palmer has underthrown them. The lone long pass for a touchdown this season was a 51-yarder from Palmer to Jaron Brown in Week 2s 40-7 victory over Tampa Bay.Palmer was 23 for 34 for 213 yards and a touchdown in Monday nights 28-3 victory over the New York Jets but the longest pass play was 14 yards.Everybody loves the home run ball, Palmer said, but completions are completions. Whether its a two-yard or 12-yard or five-yard, when defenders have to run and tackle somebody it wears you out defensively. Its demoralizing when you get lots of completions, and theres the ability to miss tackles, which is something we really do well.The running game did produce Johnsons 58-yard touchdown.Two of the other TDs against the Jets came on 14-play drives, one consuming 7 minutes, 37 seconds oof the third quarter, the other 7:26 of the fourth.ddddddddddddArizona also had a 17-play touchdown drive against Buffalo, making the Cardinals the only team in the league with three touchdown drives of at least 14 plays this season.The longer you go, the more tired the defense gets, Palmer said, and you could tell on some of Daves touchdown runs, once we did get down there. He just kind of walked right in, especially on one of them.Johnson rushed for 111 yards against the Jets. He had a pair of two-yard scoring runs up the middle along with his 58-yard play.Hes loving the load hes being asked to carry.Just continue to pound the rock, he said. Thats receivers and tight ends blocking down the field, helping me string out those long runs. I get tired but obviously its a good thing.Earl Watford, who moved in at right guard last week after Evan Mathis went down with a season-ending ankle injury, was far downfield on Johnsons long run. He doesnt know how many people he blocked on the play.Run blocking is fun. Im not going to lie, Watford said. Thats probably the best thing about football, just running the ball.Its great motivation for the line to block for a runner of Johnsons ability.You know you give him a little bit, hes going to get a lot, Watford said.Arians gave the entire offensive front a game ball, including the tight ends.One-hundred seventy-one yards (rushing) and no sacks, he said. Thats worthy of a game ball for a blocking unit.The Cardinals split the offense evenly against New York -- 35 running plays, 35 passing plays.Next up is a Seattle defense thats one of the NFLs best, especially against the run.The Cardinals wont change their approach.Were going to come out and try to run the ball, Palmer said.Game notesPalmer got a scheduled day off. ... wide receivers Jaron Brown (knee) and John Brown (hamstring) did not practice. ... guard Mike Iupati, who missed the Jets game with a sprained ankle, practiced and looked good, Arians said.---Online:AP NFL website: http://www.pro32.ap.org and AP NFL coverage on Twitter: http://www.twitter.com/AP-NFL ' ' '