PITTSBURGH -- Pittsburgh Steelers defensive end Cam Heyward has embraced his role as a leader over the last few seasons, filling a void left by the retirements of Brett Keisel, Casey Hampton and Aaron Smith. Hes become a voice of reason in the locker room and a mentor to youngers Stephon Tuitt and Javon Hargrave.Now its time to see if the kids can make it on their own.Coach Mike Tomlin declared Heyward out for Sundays game at Miami, thanks to a left hamstring injury, meaning the Steelers (4-1) will play without Heywards familiar No. 97 in the lineup for the first time since he was taken with the 31st overall pick in the 2011 draft.Heyward was injured in the first half of last Sundays 31-13 win over the New York Jets and underwent an MRI to determine the extent of the damage. Tomlin declined to get into specifics about how much time Heyward might miss, though the chances of him returning by an Oct. 23 showdown with New England seem bleak.He doesnt fall in the realm of whats normal in everything he does, Tomlin said.Making Heyward difficult to replace for a variety of reasons. His three sacks led the team, all of them coming in a romp over Kansas City on Oct. 3 following a whipping in Philadelphia that Heyward blamed almost entirely on the defensive front. He responded with the best statistical game of his career. Tomlin hinted its unlikely the Steelers will use just one player in Heywards spot, likely rotating out Hargrave, a rookie, and veteran Ricardo Matthews.Hargrave, drafted as a nose tackle, spent time on the end against the Jets, with positive results, while Matthews impressed Tomlin with his aggressiveness.Hes got a motor, Tomlin said. Hes highly conditioned for a guy of his size. Those are things we like.Perhaps, but the role of communicator along the line will fall to Tuitt. Now in his third year, hes reveled in being mentored by Heyward. Their lockers are a handful of stalls apart after Heyward migrated from his previous spot next to Ben Roethlisberger. Asked recently if he spends a lot of time in the playbook, Tuitt joked he gets the game plan from Heyward and goes from there.Now its Tuitts turn to do the talking. Asked after the victory over the Jets if Tuitt is ready to take on the role, Heyward laughed.He better be ready, Heyward said. I dont know how long Ill be out. But hes got to step up. Hes telling me hes talking a lot more and we need him to do that. When I come back, we can do that twice as much. Hes only going to grow in this situation.The early returns were promising. The Jets managed just 100 yards in the second half as Pittsburgh pulled away for a relatively easy victory.Game notesSafety Shamarko Thomas (groin) and backup offensive lineman Cody Wallace (knee) are also out for Miami. ... Tomlin said hell wait to see how the week goes before deciding the status of right tackle Marcus Gilbert (left ankle), wide receiver Markus Wheaton (shoulder), linebacker Ryan Shazier (knee), cornerback Justin Gilbert (knee) and safety Robert Golden (hamstring).---Online:AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFLRichard Dent Youth Jersey . The Celtics closed out their first preseason under Stevens on Wednesday night with a 101-97 victory over the Brooklyn Nets, who rested a lot of their lineup including former Celtics Kevin Garnett and Paul Pierce. Brian Urlacher Womens Jersey . McPhee said that Ovechkins father Mikhail is in stable condition after having the surgery this week and is no longer in intensive care. "Weve told him to stay as long as necessary with your dad," he said. Ovechkin and his Russian national team were eliminated from the mens hockey tournament in Sochi on Wednesday with a 3-1 quarter-final loss to Finland. http://www.bearsfootballpro.com/Authentic_Mike-Singletary_Bears_Jersey/ . -- New England Revolution goalkeeper Matt Reis is retiring after a 16-year career to become the goalie coach for the Los Angeles Galaxy. Gale Sayers Bears Jersey . Emery skated the length of the ice and fought an unwilling Holtby during the third period of the Flyers 7-0 loss Friday night in Philadelphia. He was given 29 penalty minutes, including a game misconduct. But Emery did not face even a disciplinary hearing with NHL senior vice president of player safety Brendan Shanahan because rules 46. Riley Ridley Youth Jersey . Fellow centre Pavel Datsyuk remains out because of a concussion. Zetterberg has 11 goals and 19 assists for a team-high 30 points, and Datsyuk has a team-high 12 goals and 11 assists.No. 21 Utah (8-3, 5-3 Pac-12) at No. 9 Colorado (9-2, 7-1, No. 9 CFP).Line: Colorado by 10.Series record: Colorado leads 31-28-3.WHATS AT STAKEColorado wins the Pac-12 South with a victory and advances to the Pac-12 championship for the first time. Utahs last-minute 30-28 loss to Oregon last week eliminated the Utes from contention for the title and turned their trip to Boulder into a shot at being the spoiler instead. The Utes fell 10 spots in the poll after the loss. If they can upset the Buffaloes, the South title goes to USC, which beat Colorado 21-17 on Oct. 8. The Utes, however, are bowl eligible for the third consecutive year and are 3-0 in the postseason since joining the Pac-12.KEY MATCHUPUtes senior running back Joe Williams against Colorados stout defensive front. Williams has rushed for 1,088 yards in just seven games.PLAYERS TO WATCHUtah: Williams, senior DE Hunter Dimick, who leads the nation with 14 sacks, and sophomore punter Mitch Wishnowsky, who leads the nation in punt average (48.6), punts of 50-plus yards (26) and punts inside the 10-yard line (14).Colorado: QB Sefo Liufau is cominng off his first career game in which he threw for 300 yards and ran for 100.dddddddddddd His backup, Steven Montez, accomplished the feat earlier this season, the first time that had ever happened in school history.FACTS & FIGURESThe Buffs No. 9 ranking is their highest since reaching No. 7 on Aug. 26, 2002. ... Utah, which reached as high as No. 11 on Nov. 13, lost its only game to a ranked opponent this season, falling to No. 4 Washington 31-24 on Oct. 19. ... The Utes are 10-9 when both Utah and its opponent are ranked. ... Although the Buffaloes lead the series 31-28-3, Colorado has lost four of five since both schools joined the Pac-12 but the average point differential in those games is just 4.2. ... Utah is second nationally with 26 takeaways. ... Wishnowsky hasnt had a touchback since the first game of the season. ... Senior kicker Andy Phillips is the first player in Utah history to top 400 points. He has 403.---More AP college football: www.collegefootball.ap.org ' ' '