CHARLOTTE, N.C. -- Panthers coach Ron Rivera said quarterback Cam Newton is expected to start Sunday against the New Orleans Saints barring a setback in his recovery from a concussion.Newton participated fully in practice Friday, but remains in the leagues concussion protocol. Rivera said the leagues reigning MVP still has to meet with an independent doctor before being cleared to play.Rivera also said running back Jonathan Stewart is expected to return to action after missing the last three games with a hamstring injury.However, Carolina has other injury concerns, most notably in the secondary where it will be without both starting cornerbacks when facing Saints quarterback Drew Brees, who has thrown 27 touchdown passes in his last seven games at the Superdome.James Bradberry (toe) and Robert McClain (hamstring) have been ruled out, along with offensive tackle Michael Oher (concussion) and defensive tackles Vernon Butler (ankle) and Paul Soliai (foot).The Panthers are expected to start either Teddy Williams or rookie Zack Sanchez opposite rookie Daryl Worley at cornerback. Safety Colin Jones is expected to start at the nickel position.With only three healthy cornerbacks on the roster, Rivera said the team is leaning toward signing Lou Young from the practice squad and activating him Sunday.We have to play the guys that are available to us, that is the truth of the matter, Rivera said. So well go from there.Carolinas secondary has been a problem ever since the decision to remove the franchise tag from 2015 All-Pro Josh Norman this past offseason.Carolina went into the season with Bradberry and Bene Benwikere as the starting cornerbacks. However, Benwikere was cut after Carolina allowed Atlantas Matt Ryan to throw for 503 yards and four touchdowns in a 48-33 Week 4 loss to the Falcons. Bradberry developed turf toe in that game and hasnt practiced since.That left the Panthers with McClain, a journeyman cornerback, and Worley as their starters last week against Tampa Bay. The Panthers held the Buccaneers to 17 points and only allowed one touchdown pass, but McClain came up hobbling with a hamstring injury on Wednesday.Williams, the teams fifth option at cornerback at the beginning of the season, said hes looking forward to the challenge if he gets a chance to start against Brees.Drew puts his clothes on the same way we do -- one leg at a time with his pants, and one arm at a time with his shirt, Williams said. You got out and the competitor in you that you have had inside since you were a little kid, you want to go out and compete against the best. So lining up across from him and seeing him over there makes you happy and anxious to go and get that first hit.Newton, Stewart, wide receiver Kelvin Benjamin and defensive end Charles Johnson are listed as questionable but are expected to play.Newton hasnt spoken to reporters since suffering a concussion on Oct. 2 against the Falcons, but did post a message on Instagram from the late motivational speaker Jim Rohn:Dont wish it was easier, wish you were better. Dont wish for less problems, wish for more skills, Newton said in the post.The Panthers are 1-4 and have lost three straight games.---AP NFL website: www.pro32.ap.org and http://twitter.com/AP-NFLWholesale Jordan Shoes From China . No. 13-seeded John Isner and No. 21 Philipp Kohlschreiber were among six players who dropped out of the tournament on Tuesday, joining No. 12 seed Tommy Haas and two other players who withdrew on Monday. Discount Air Jordan . 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SAN DIEGO -- A tourist is coming to town, which generally is not big news in San Diego.However, when that visitor is Zack Greinke, the San Diego Padres take notice.Greinke leads the Arizona Diamondbacks against San Diego on Friday night in the second contest of this three-game series. The Padres won a 9-8 in the series opener Thursday.Both teams are playing out the string on disappointing seasons, but Greinke, no matter what team is on the front of his jersey, does well at Petco Park.The right-hander, who left the Los Angeles Dodgers as a free agent in the offseason, is 3-1 with a 1.69 ERA in eight career starts in San Diegos downtown digs. That includes winning his only decision in two starts against the Padres this year, and it came at Petco.Overall, Greinke has dominated the Padres to the tune of 7-1 with a 1.91 ERA.San Diego could be the soothing tonic Greinke seeks after getting blistered in his last outing. He lasted only 1 2/3 innings against the Boston Red Sox, as they ambushed him for nine runs, 10 hits and three home runs on Sunday.It just happened so fast, I didnt realize how bad it actually was, Greinke said.It was the second-most runs ever allowed by Greinke, falling short of the 11 he yielded to the Arizona Diamondbacks in a 2005 game while he was with the Kansas City Royals.Greinke pitched like royalty before the Boston massacre. In his previous 10 starts, he was 8-0 with a nifty 2.47. That is why Arizona manager Chip Hale expects Greinke will find his groove again while battling a lineup consisting mostly of rookies iinstead of proven hitters who litter the Red Soxs order.ddddddddddddWell, they just hit everything he threw up there, Hale said after the Sunday game. It was good pitches they hit. He obviously had some bad locations on some that they hit also. But it was one of those days. Weve all been there. Weve all been on the good side, and weve all been on the bad side.The Padres are looking for the good side from their Friday starter, Jarred Cosart, who was acquired in July from the Miami Marlins.Cosart (0-1, 5.03 ERA overall) is making his fourth start as a Padre and his eighth in total this year. The right-hander pitched well his last time out on Saturday, although he didnt figure in the decision. In six innings, he allowed one run on three hits and two walks while striking out two as the Padres dropped a 3-2, 11-inning decision to the New York Mets.Cosart recorded 15 of his 18 outs via groundballs.Thats usually the kind of pitcher I am, Cosart told MLB.com. Ground-ball guy -- thats what Ive been in the past, going all the way back to the minor leagues.Earlier this year and my last two starts, I was up in the zone a little bit, a little sporadic. If you pitch up in the zone to any big league team, youre going to get hit.The Padres (51-70) and Diamondbacks (50-71), battling to avoid the NL West cellar, will be familiar with each other down the stretch. Over the final 41 games, they will play each other nine times. ' ' '