ORCHARD PARK, N.Y. -- Seantrel Henderson listens to his weaknesses from the NFLs pre-draft scouting report on the offensive tackle, and there are no signs of any discomfort or anger. "Underachiever traits," the report reads. "Suspect maturity, dependability and decision-making." The criticisms are nothing new. Henderson was dealing with them well before Buffalo selected him in the seventh round out of the University of Miami. "I dont really think about what anybody really said," Henderson said, referring to the pre-draft assessment. "I know who I am. And I know what I can do. And I know what I can be." Henderson is not hiding from the mistakes that sidetracked what had the makings of a promising career. Four years ago, he drew comparisons to NFL star tackles Jonathan Ogden and Orlando Pace, while being regarded as one of the nations top recruits coming out of high school in St. Paul, Minnesota. Today, hes grateful to have a shot at playing professionally after acknowledging that marijuana use led to him being suspended several times at Miami, and also confirming he tested positive again for marijuana at the NFL combine in February. Henderson insists thats behind him. "I feel like in college, I had a lot of maturing to do, sir," he said during a three-day rookie minicamp that ended on Monday. "But at the same time, I have no regrets. Im happy where Im at. I wouldnt change it for anything, sir. Im happy to be here in Buffalo." Its in Buffalo where Henderson can begin focusing on whats ahead, while appreciating hes run out of second chances. "I know for a fact this is the last chance Ive got, sir," Henderson said. "Ive been through it all in my past four years at the University of Miami. And I know this is the last chance that Ive got to be successful. So I wont let it go." Henderson ends most every answer with "sir," a trait that dates to college. Whats new is the pat answer Henderson has begun to lean on when confronted with questions about how much he has to prove. "Ive got to prove that I can work as hard as any other guy here, be on time at all times and gain trust with the coaches," he said. "Being accountable, reliable and dependable does that." The Bills have been upfront with Henderson. "Weve talked to Seantrel, and he knows that hes got one shot," general manager Doug Whaley said. "Hes been dealing with some demons. Hopefully, those demons are out of his life. And why not give somebody -- this is America -- a second chance." At 6-foot-7 and 331 pounds, Henderson has the frame, skill and nimble footwork of someone capable of exceling at tackle. There were times at Miami where Henderson showed glimpses of his potential. He earned freshman All-American honours. Last year, he was credited with 10 blocks that resulted in touchdowns, and was invited to the Senior Bowl. And yet, there are the off-field concerns, some of which Henderson had little control over. In July 2012, Henderson mourned the loss of his best friend, Jordan Hughes, who was shot and killed in St. Paul. A few days later, he sustained a concussion after being involved in a car accident. In 2011, Henderson had surgery to repair a nagging back problem. Questions, however, have been raised over his passion for football. Bills coach Doug Marrone, a former offensive lineman, is keeping an open mind. "Its early. It really is. And for me, consistency is the thing. I think over a period of time well know," Marrone said. "There is no doubt that he can play. The problem is going to come into can he be consistent enough and disciplined enough and have the structure to be a pro." Henderson has plenty of reasons to be motivated, including his 2-year-old daughter and his mother. "I wake up in the morning, and the first thing I think about is my daughter and my mom, and these are people I feel that I have to provide for," Henderson said. "If I dont, then who else will?" DeShawn Shead Jersey . Striker Dario Mandzukic scored the opener in the 22nd minute but was given a red card nine minutes later for a reckless tackle and left Croatia with 10 men for the remainder of the match. Jake Rudock Jersey . As the schedule flipped from November to December, they would go on to drop five straight, falling six games below the .500 mark before a franchise-altering trade turned them into an unrecognizable team. http://www.officialdetroitlionsfootball....d-jersey-womens. But this time, the Gunners weathered the storm. Arsene Wengers team was on the ropes in the early stages of a lively FA Cup tie, until Alex Oxlade-Chamberlain scored a goal against the run of the play. Levine Toilolo Jersey . The Eastern Conference-leading Celtics finished their recent trek at 3-1 on Monday in Salt Lake City when Rajon Rondo made a key jumper with 24.1 seconds remaining, as Boston held off the Utah Jazz, 107-102, at EnergySolutions Arena. Dwayne Washington Jersey . Grimes signed a $32 million, four-year contract to remain with Miami. The deal, which includes $16 million guaranteed, rewards Grimes for his recovery from an Achilles tendon injury that forced him to miss almost all of the 2012 season.SUZUKA, Japan - Mercedes driver Nico Rosberg claimed pole position on Saturday for the Japanese Grand Prix, beating teammate Lewis Hamilton and putting himself in good position to regain the Formula One championship lead.Rosberg claimed his eighth pole of the season with a time of 1 minute, 32.506 seconds at Suzuka, 0.197 seconds ahead of Hamilton. Williams driver Valtteri Bottas was third followed by teammate Felipe Massa.It was great today, but thats only one step on the way, Rosberg said. It was a real pleasure because the car is so amazing to drive.Hamilton leads Rosberg by three points in the overall title race a€” 241 vs. 238. Neither driver has ever won at Suzuka.I wasnt really feeling it today, dont know why, Hamilton said.Ferrari driver Fernando Alonso was fifth and Red Bull driver Daniel Ricciardo, who is a distant third in the championships race, qualified sixth for the race which is expected to be affected by a powerful typhoon in the region.While wet races can thhrow up unexpected results, Rosberg believed rain may compound Mercedes dominance.ddddddddddddWe are expecting it to be wet, Rosberg said. Our last experience in the wet was at Spa where the car was very quick. So Im very optimistic, even if it rains. It could be even better.Despite crashing at the end of the morning practice session, Hamilton set the early pace in Q1 after his team worked frantically to repair the damage to his car in time for qualifying.But Rosberg was fastest in the second qualifying session. Bottas briefly seized the lead in Q3 but Rosberg quickly grabbed it back on his final run.Saturdays qualifying was overshadowed by news earlier in the day that four-time defending champion Sebastian Vettel would be leaving Red Bull at the end of the 2014 season for a possible move to Ferrari.Vettel, who has won four of the past five races at Suzuka, has yet to win this season and finished ninth behind McLaren drivers Kevin Magnussen and Jenson Button. 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