The NFL and players union are talking again about getting a test in place for human growth hormone as early as the upcoming season. An email obtained by The Associated Press from the NFL Players Association indicates that the league and the NFLPA have jointly hired a doctor to conduct a study on NFL players to determine a good threshold for a positive HGH test. The email was sent by the union to players, in part to explain that the study requires them to have blood drawn during their physical when training camp begins. The email said the blood samples will only be used for the study. NFL spokesman Greg Aiello said the discussions are focused "on a full resolution of any remaining issues, including the role of a population study." The labour agreement that ended the NFL lockout in 2011 requires the league gain union approval before testing players for HGH. The union says it favours testing, but has reservations about the appeals process. The union also has reservations about the way discipline will be handed out, and wants to collectively bargain that issue. Supplemental HGH is a banned substance that is hard to detect and used by athletes for what are believed to be a variety of benefits, whether real or only perceived -- such as increasing speed and improving vision. Among the health problems connected to HGH are diabetes, cardiac dysfunction and arthritis. In the unions email, it told the players that Dr. Alan Rogol has been jointly hired by the NFLPA and NFL to oversee the study and supervise two jointly retained biostatisticians. One of those biostatisticians, Donald Berry, will design the study protocol and conduct the analysis. The second will independently review both the protocol and the analysis. In January, Major League Baseball and the players agreed to HGH blood testing throughout the regular season and to have a World Anti-Doping Agency laboratory in Canada keep records of each player. 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"Its embarrassing to be at home and play the way we did," said defenceman Josh Gorges. Grey Air Max 2018 . Perez, 35, posted a 1-2 record with a 3.69 earned-run average in 19 relief appearances last season. His season ended Aug. 9 due to a torn ligament in his left elbow. Perez joins infielder Andy LaRoche and catcher Mike Nickeas with minor-league agreements for 2014 that include invitations to attend spring training. LOUISVILLE, Ky. -- Lamar Jackson has become a leading Heisman Trophy contender on a Louisville team that has risen to No. 3 in the nation. The tough part for the Cardinals, now, is to stay composed on the road to a possible league title and shot at a national championship.You know, its crazy but it isnt anything to me, Jackson said after the Cardinals 63-20 shellacking of Florida State, which fell 11 places to No. 13. You have to stay humble. Stay humble and stay calm. Everything is calm to me.Louisvilles big Atlantic Coast Conference win, however, earned a seven-spot jump in the latest Associated Press Top 25 and has the Cardinals (3-0) in the title discussion. The ranking matches their Nov. 5, 2006 standing during Petrinos first stint with the Cardinals.I couldnt picture any of the wins and how its going right now, running back Brandon Radcliff said. We work so hard that I feel this is the way we wanted it and we planned to do it.Jackson meanwhile is at the top of the Heisman conversation following a stellar game against the Seminoles.He collected five more touchdowns, four running, to raise his season total to 18. Jackson also completed 13 of 20 passes for 216 yards and ran 17 times for 146, including an impressive 47-yard TD run that led former Virginia Tech QB and NFL free agent Michael Vick to tweet that Jackson is better than he was at the same point in college.Yet for all the praise and Heisman talk, the sophomore was pretty tough on himself afterward. Noting seven incompletions and an end-zone intercepttion, he gave his performance a D and downplayed the speculation about the award given to the nations best player.ddddddddddddI try not to pay attention to that, Jackson said. I try to keep that out of my mind. Im not the type to get hyped. ... Im just chill.Petrino also suggested that the coaching staff will try to keep players egos in check during video sessions. Next up for Louisville is Saturdays non-conference meeting at Marshall.The Cardinals have lost four in a row to the Thundering Herd, which means they cant look past them toward their next high-profile challenge on Oct. 1 at defending ACC champion Clemson. The Tigers (3-0) remained fifth after Saturdays 59-0 rout of South Carolina State.We will be very critical, very hard on them and they need to be hard on themselves, Petrino said. You need to watch the video and see if you utilized your technique right. ... Well go out and run and get right back into our normal routine.Normalcy might have new meaning with Louisville now a top-three team and on everybodys radar. But running back Brandon Radcliff believes the same approach that got the Cardinals there will help them keep their lofty status in perspective.Radcliff added, were a serious football team and were not going to take anybody lightly.---This story has been corrected to show that Florida State is No. 13, not No. 1.---AP college football website: collegefootball.ap.org China NFL Jerseys Cheap Nike NFL Jerseys NFL Jerseys Cheap Wholesale NFL Jerseys Cheap Basketball Jerseys Online Stitched Hockey Jerseys Wholesale Baseball Jerseys Football Jerseys Outlet College Jerseys For Sale Cheap MLB Jerseys Wholesale Soccer Jerseys Wholesale Jerseys For Sale Wholesale NFL Jerseys ' ' '