METAIRIE, La. -- Saints safety Kenny Vaccaro is facing a four-game suspension due to a positive test for Adderall, a league source confirmed to ESPN NFL Insider Adam Schefter.Vaccaro on Friday confirmed that he is now waiting for the league to test a B (second) sample before finding out whether he will be suspended, and deciding whether to appeal, the source told Schefter.He declined to discuss any specific details of the reports.?Adderall is a stimulant that is banned by the NFL unless players receive league approval to use it.Im told not to make any comments on it right now until everything is final. Im not gonna come out and say anything right now, Vaccaro said Friday. He acknowledged, though, that it would be frustrating if he wound up missing four games down the stretch after the Saints (4-4) have climbed back into playoff contention.Were on a run, weve won four of the last five, Vaccaro said. But at the same time, it is what it is, and were working it out right now.The Saints host the Broncos on Sunday, then visit the Panthers on Thursday night.In the meantime, Vaccaro can continue to play, and he practiced with the team Thursday and Friday. The Saints have not been notified about Vaccaros situation by the NFL. The league also said that it has not been notified of a violation by the program administrators.Saints coach Sean Payton cracked to the media Friday, You guys will probably hear before me. You did yesterday. Were waiting, just like you guys are. You guys can keep me posted.Under NFL policy, neither the league nor the team would be notified of the situation unless both the A and B samples test positive.Losing Vaccaro for four games would be a big blow for an improving Saints defense that was just starting to get some key players back healthy.Vaccaros versatility has allowed the Saints to use a three-safety set as their base defense in recent weeks.The 6-foot, 214-pounder, a first-round 2013 pick out of Texas, moves around from traditional strong safety to slot cornerback to linebacker at times. He has two official forced fumbles and assisted on a third in a crucial moment at?San Diego?in Week 4.Vaccaro?ranks second on the team with 43 tackles. He also has a fumble recovery, a pass defense and five quarterback hits.The good news for the New Orleans defense is that safety is arguably its deepest position. Veteran Jairus Byrd and rookie Vonn Bell have shown improvement as the other two starters in recent weeks. And veteran Roman Harper was a starting strong safety for the past 10 years before taking a backup role with the Saints in 2016.Also, the Saints could go back to a more traditional use of three cornerbacks in their nickel defense packages now that top CBs Delvin Breaux and Sterling Moore have returned from injuries.The Saints have won four of their past five games after an 0-3 start. The defense still ranks 30th in the NFL in yards per game (408.5) and points per game (29.8) and 32nd in passing yards allowed per game (300).But the Saints have allowed 27 points or fewer in each of their past three games. And after setting the NFL record with 45 touchdown passes allowed in 2015, the Saints have allowed only 11 through the first eight games this year. Raiders Jerseys China . -- Peyton Manning will have all of his wide receivers available for the first time in a month when the Denver Broncos begin their playoff run Jan. Custom Raiders T-shirts . 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Connor Chartier also scored for the Chiefs (3-0-0). Luke Harrison spoiled Garrett Hughsons shutout bid with a power-play goal at 13:17 of the third period. The Spokane goaltender finished with 28 saves, including a Brandon Fushimi penalty shot in the second period that would have tied the game 1-1. SOUTH BEND, Ind. -- Notre Dame coach Brian Kelly finally let DeShone Kizer know on Wednesday hes the guy at quarterback for the 18th-ranked Fighting Irish.With that, the competition between Kizer and Malik Zaire came to an end, at least for now. The news didnt come as a surprise after Kizer thoroughly outplayed Zaire in a 50-47 season-opening loss to Texas. The only surprise was it took until Wednesday for Kelly to let Kizer know he wouldnt be sharing time with Zaire when the Irish (0-1) face Nevada (1-0) on Saturday.He told me Id take the first snap for sure and then he kind of congratulated me on fighting through the process and encouraged me to maintain the same mind-set and assured me Id be the guy on Saturday, Kizer said.Kizer threw for five touchdowns and ran for another and guided Notre Dame within field-goal range two other times on 13 possessions against Texas. The Irish failed to score on the three possessions Zaire played.Kizer was 15 of 24 passing for 215 yards with a pass efficiency rating of 206.5 and rushed for 77 yards on 13 carries. Zaire was 2 of 5 passing for 23 yards witth a 78.dddddddddddd6 pass efficiency rating and had no yards rushing on three carries.Kelly did not talk with the media on Wednesday. On Tuesday he said he would announce a decision after talking with the quarterbacks. Zaire, the starter last season until breaking his right ankle in the second game, didnt speak with the media on Wednesday.Kizer said he believes the competition with Zaire helped him become a better quarterback by making him focus more on each play.In the last eight months I learned quite a bit about myself as a quarterback, as a leader, as a teammate, he said. From that hopefully I developed into somebody I wanted to be for this season. Malik really challenged me and he will continue to challenge me. Im really grateful for the situation.Kizer, who led the Irish to nine victories and a No. 11 ranking last season, said being able to take all the snaps with the starters should help him prepare better for Nevada.It helps with your mind-set, he said. ' ' '