Since the NFL introduced the salary cap in 1994, team owners havent been shy about changing head coaches. Theres been an average of seven changes per year, and that number has held up for more than two decades.There have been 43 changes since 2011, which is slightly more than that seven-per-year mark.Owners have changed coaches so often that the list of legitimate candidates continues to dry up. Last year, six offensive assistants got head-coaching jobs and the Titans signed then-interim Mike Mularkey to a three-year deal.So who are the candidates to keep an eye on when head-coaching jobs open at the end of the season?First, keep an eye on the trend of offensive assistants getting top jobs. That likely wont go away, and there are a several offensive coordinators who will get interviews.?Second, dont look to the collegiate level. It appears unlikely that any college coaches will be in the mix for NFL jobs. Notre Dames Brian Kelly had been on the radar of some NFL owners in recent years, but the Fighting Irish went just 4-8 this season. UCLAs Jim Mora has been an NFL head coach twice before, but the Bruins went 4-8 too.?Here are 16 candidates who could be head coaches in 2017, in no order:?Authentic Custom Oilers Jersey . Ivanovic was leading 7-5, 1-0 when Hantuchova withdrew after falling 0-40 behind in the second game. The match started slowly for Ivanovic, who surrendered her first two serves as Hantuchova took a 5-3 lead. Custom Al Hamilton Jersey . -- Washington Redskins tight end Fred Davis was charged Thursday with driving while intoxicated, a day after he was suspended for an NFL substance-abuse policy violation. http://www.customoilersjersey.com/ . -- Gus Malzahn finally had his day in Fayetteville. Wholesale Custom Oilers Shirts . Their experience showed Tuesday as the No. 10 Badgers blunted a Saint Louis surge to win 63-57 and advance to face West Virginia in Wednesdays finals of the Cancun Challenge. Al Hamilton Jersey Large . Numbers Game looks into the Canadiens securing the services of Thomas Vanek in a trade with the New York Islanders. The Canadiens Get: LW Thomas Vanek and a conditional fifth-round pick.BOSTON -- Red Sox reliever Brad Ziegler got his first matchup against his former teammates in a tight spot -- bases loaded and nobody out in the eighth inning.Ten pitches and three strikeouts later, he walked back to the dugout with a three-run lead intact.I was doing what I could just to stay relaxed and calm on the mound, Ziegler said after Boston beat the Arizona Diamondbacks 6-3 on Saturday night.Even warming up, seeing the scenario unfold, trying to not get the adrenaline too high, the side-arming righty said. If it does, I tend to start missing with my pitches and not throwing them where I want. I was able to do that.Ziegler, acquired last month from Arizona, saved what could have been a rough inning after Matt Barnes walked three straight batters.He struck out the side in a crucial moment, Boston manager John Farrell said. A big lift in that particular inning.Brock Holt hit a two-run homer and Sandy Leon had a solo shot for the Red Sox. Rookie Andrew Benintendi and Dustin Pedroia each had two hits and drove in a run for Boston, which won its second straight after losing four of five.Michael Bourn had two singles and an RBI for the Diamondbacks. They had won four of five.Bases loaded nobody out, youre down three and you want to at least get a couple there, Arizona manager Chip Hale said. But he did a nice job. Weve seen him do it (with us).Robbie Ross Jr. (2-2) worked an inning of relief for the win after starter Clay Buchholz gave up three runs over 4 1/3 innings in a spot start. Craig Kimbrel worked the ninth for his 19th save.Archie Bradley (4-8) allowed six runs -- four earned -- in 5 1/3 innings.Demoted to the bullpen twice this season, Buchholz made his first start since early July on the eve of his 32nd birthday because knuckleballer Steven Wright was scratched on Thursday after jamming his pitching shoulder diving back into second during an interleague game.Trailing 3-1 in the fifth, the Red Sox charged ahead with three runs that were keyed by right fielder Soccrates Brito misplaying a flyball for an error.ddddddddddddLeon hooked his homer around the Pesky Pole, Benintendi had an RBI double off the Green Monster after Holt reached on the error and Mookie Betts grounder bounced over third baseman Jake Lamb for an RBI single.Holt homered over Bostons bullpen to make it 6-3 and chased Bradley in the sixth.Arizona had moved ahead by scoring twice in the fourth and once in the fifth.Buchholz held the Diamondbacks hitless until Bourns one-out single in the fourth. Bourn later scored on a groundout and Rickie Weeks Jr. added an RBI single, making it 2-1. Bourn had an RBI single in the fifth.TRAINERS ROOMDiamondbacks: Hale said the club hopes to learn more about RHP Rubby De La Rosas injury after he was sent for an MRI on Friday. The righty has been on the DL after elbow inflammation since May 26.Red Sox: 2B Pedroia was back in the starting lineup after leaving Fridays game with flu-like symptoms. ... CF Jackie Bradley Jr. was out, both nursing a sore big toe after fouling a ball off his foot a couple of games ago and resting after playing 110 of the clubs 114 games. ... Farrell said Wright threw again Saturday, but hes not completely symptom free and the next step will be on Monday.THAT WAS NICEPedroia went behind second base in the seventh to snag Jean Seguras grounder and flipped it from his glove to SS Xander Bogaerts, who fired to first to complete a DP.UP NEXTDiamondbacks: RHP Zack Greinke (11-3, 3.67 ERA) looks to continue his solid run in the series finale on Sunday. Hes 8-0 with a 2.47 ERA in his last 10 starts.Red Sox: RHP Rick Porcello (15-3, 3.40) hopes to continue his startling success this season in Fenway Park on Sunday. The righty is looking to become the first Red Sox pitcher since Dave Boo Ferriss in 1946 to win his first 12 decisions in a season at home. Ferriss went 13-0 at Fenway that year. ' ' '