Jon Grudenhttp://www.raidersauthorizedshops.com/authentic-marcus-gilchrist-jersey , needed only a few plays of the exhibition season to get his old sideline persona back.A holding call that wiped out a touchdown brought out the temper that earned Gruden a nickname from the slasher movie "Child's Play" during his first stint as coach in Oakland."Chucky came out for a brief moment right there," Gruden said.It was a moment Raiders fans had been waiting for ever since Gruden was traded to Tampa Bay following the 2001 season. Oakland lost the Super Bowl to Gruden and the Buccaneers the following year and managed just one more winning record since.Owner Mark Davis had been recruiting Gruden since he took over the franchise following the death of his father, Al, in 2011, and finally got his man this past offseason with a $100 million, 10-year contract to replace Jack Del Rio following a 6-10 season."It's an honor to be back here and it's a great story, but I also just want to do everything I can to try to help this team win again," Gruden said. "I love the Raider fans, I love Oakland, and that's the primary reason why I'm standing here."The love is mutual, as evidenced by the hundreds of fans who showed up at a preseason party hosted by Gruden at a local sports bar, and the excited crowds at the exhibition games.But for all the nostalgia and Gruden's talk of bringing the game back to 1998 when Al Davis first hired him as a head coach, Gruden will need to show his style has adapted since he last coached in Tampa Bay in 2008.He has won over his players with his passion, knowledge and attention to detail, but none of that will matter without results on the field."What you see is what you get. Rah-rah guy," edge rusher Bruce Irvin said. "I've never seen a person's face stay red for seven periods at practice. The whole practice he is just red. He's a great motivator."Here are some other things to watch:MACK ATTACK: There has been one key piece missing for the Raiders this summer: Star pass rusher Khalil Mack has been holding out while seeking a long-term contract. Mack, entering the final year of his rookie contract, won the Defensive Player of the Year award in 2016 and leads the NFL in QB pressures with 185 1-2 since entering the league, according to SportRadar. Oakland's defense struggled the past few years even with Mack on the field. Gruden and new coordinator Paul Guenther are hoping to get the game changer in before the season starts to provide a needed anchor to this defense.DRIVE THE CARR: QB Derek Carr went from MVP candidate during a 12-win 2016 campaign to a struggling young passer a year ago as he dealt with an early-season back injury and suspect play from his receivers. Much has been made of how Carr will mesh with Gruden's hard-driving personality, but the early signs are the two are hitting it off. Whether that leads to improved play remains to be seen. Carr will likely take more snaps under center in Gruden's offense than he has in the past Tahir Whitehead Jersey , but also will have more freedom to change plays at the line of scrimmage."He has a photographic memory. It comes so easy to him," Gruden said. "He's got the offense mastered more than I do, that's for sure."INSIDE PUSH: The Raiders struggled to generate consistent pass pressure the past few seasons even with Mack and Irvin on the outside because of a lack of an inside rush. That's why Oakland used two draft picks to upgrade that spot by selecting P.J. Hall in the second round and Maurice Hurst in the fifth. Hurst had been projected as a first-round pick before being sent home from the combine with a heart issue that the Raiders say is not a concern. Hall and Hurst have shined in the preseason and figure to provide a big boost to the defense.POUND THE ROCK: Gruden has stressed a power-running game since getting hired in January and has the pieces in place to make it work. Oakland has a stout interior of the offensive line with center Rodney Hudson and guards Kelechi Osemele and Gabe Jackson. Marshawn Lynch played well in the second half of last season after coming out of retirement and looks even faster this year. Blocking tight end Lee Smith and fullback Keith Smith provide more support. Gruden hopes Doug Martin can regain the form that helped him run for more than 1,400 yards in 2012 and '15.COVER IT UP: The Raiders have been rotating through cornerbacks ever since Reggie McKenzie became GM in 2012. They hoped they solidified one of those spots last year when they drafted Gareon Conley in the first round, but he played only two games because of injuries. Conley looks healthy now and could be part of the most talented group of cornerbacks Oakland has had in years with free agents Rashaan Melvin, Daryl Worley, Leon Hall and Dominque Rodgers-Cromartie also in the mix. Safety Jordan Poyer and the Buffalo Bills couldn't care less about style points.After being on the losing end of some lopsided decisions, an offensively challenged, field-goal-dominated 13-12 win over the Tennessee Titans on Sunday is all that mattered."Two-and-three is a lot better than 1-4," Poyer said, referring to the Bills record. "It's never ugly when you win."Stephen Hauschka overcame a botched field-goal attempt in the final minutes of the first half by hitting a 46-yard attempt as time expired. Running back LeSean McCoy broke from a September slump with 85 yards rushing matching the combined total from his first three games.And Poyer helped anchor an injury-depleted secondary on a defense that forced three turnovers, held the Titans to 221 yards and limited them to scoring four field goals.Buffalo bounced back from a 22-0 loss at Green Bay last weekend. Its defense showed improvement after surrendering 75 points over six quarters, starting with a 47-3 season-opening loss at Baltimore, followed by the first half of a 31-20 loss to the Los Angeles Chargers."I think there was a glimpse of it," defensive tackle Kyle Williams said in suggesting the young, patchwork Bills are finding a hint of their identity.The Titans (3-2) took a step backward in having a three-game win streak snapped, and squandered a chance for their best start since winning their first 10 games in 2008.Quarterback Marcus Mariota failed to show the flair he displayed last week in rallying the Titans to a 26-23 overtime win over the defending Super Bowl champion Philadelphia Eagles. Mariota finished 14 of 26 for 129 yards passing and an interception against Buffalo.The Titans crossed midfield four times, with each drive ending with Ryan Succop hitting field goals."Not very good. Yeah, I mean we left one out there today," Mariota said. "If you're not ready to play Youth Derek Carr Jersey , it doesn't matter who you're playing."The Titans' best chance of finding the end zone slipped through their fingers early in the fourth quarter.Facing third-and-4 at Buffalo's 23, Mariota avoided the pass rush and scrambled to his left, where he lobbed to receiver Nick Williams, who was wide open in the end zone. Williams had the pass drop through his hands while attempting to make an over-the-shoulder catch.Tennessee settled for Succop hitting a 39-yard field goal to cut Buffalo's lead to 10-9.Bills quarterback Josh Allen was hardly better. The rookie first-round pick finished 10 of 19 for 82 yards and an interception, but did open the scoring on a 14-yard touchdown scamper.Allen's interception nearly cost the Bills midway through the fourth quarter. Late in finding Andre Holmes to his right, Allen's pass was tipped and intercepted by Adoree' Jackson at the Tennessee 46.The Titans settled for Succop hitting a go-ahead 50-yard field goal after Mariota fumbled and was fortunate to have the ball bounce off his foot and roll out of bounds.The Bills responded with an 11-play, run-dominated drive that covered the final 4:43. McCoy and Ivory combined for 43 yards."That's how it's supposed to be," McCoy said, referring to a run-oriented game plan in which he had a season-best 24 carries. "We stuck to it."BOTCHED CHANCE IThe Bills botched a 30-yard field-goal attempt in the second quarter when rookie holder/punter Corey Bojorquez caught the snap and inexplicably stood up before suddenly kneeling in a bid to place the ball. Bojorquez then threw an incompletion.Bojorquez hurt his right shoulder but returned for the second half.Bojorquez said he misunderstood what he heard from the coaches.Hauschka, meantime, had an inkling he might get a chance to win the game."The pace of the game, I was going to be ready for it, and I wanted that opportunity," he said. "I'm glad I got a shot at it."BOTCHED CHANCE IIThe Titans followed Buffalo's missed opportunity by settling for Succop matching a career high by hitting a 54-yard field goal as time expired. They had three timeouts left when penalized for delay of game while facing a third-and-4 at Buffalo's 26. They were backed up again on the next snap when Trent Murphy sacked Mariota for a 5-yard loss.TURNOVERSBills rookie linebacker Tremaine Edmunds and defensive end Shaq Lawson had forced fumbles, while rookie cornerback Taron Johnson had an interception. Buffalo has eight takeaways (five forced fumbles and three interceptions) in its past three games.Buffalo Bills coach Sean McDermott acknowledged he and GM Brandon Beane have considered signing 12-year veteran quarterback Derek Anderson, but stressed "nothing is final at this point." McDermott and Beane were formerly with Carolina, where they both became familiar with Anderson, who spent the previous seven seasons with the Panthers. Buffalo is down to Allen and second-year player Nathan Peterman at quarterback after trading A.J. McCarron to Oakland on Sept. 1.INJURIESTitans: Two-time Pro Bowl LT Taylor Lewan did not return after hurting his foot in the second quarter. Titans were missing two starters with S Kenny Vaccaro (right elbow) and LB Wesley Woodyard (shoulder) inactive.Bills: Had just three healthy safeties in their lineup with starter Micah Hyde (groin) and backup Rafael Bush (shoulder) inactive.UP NEXTTitans: Host Baltimore on Oct. 14.Bills: At Houston on Oct. 14 for fourth road game in six weeks.