TEMPE, Ariz. -- Outside linebacker John Abraham has left the Arizona Cardinals and is considering retiring from the game. Cardinals coach Bruce Arians said on Wednesday that Abraham, the games active sacks leader and ninth on the NFLs career list with 133 1/2, has been granted a leave of absence. The team obtained a roster exemption, using it to re-sign linebacker Marcus Benard. The 36-year-old Abraham sustained a concussion in Monday nights 18-17 season-opening victory over San Diego. But Arians said he had a long talk with Abraham on Tuesday and the concussion was not the main reason the player was considering leaving the game. Arians said that while Abraham goes through the NFL-mandated concussion protocol, he "will determine if he wants to continue playing football, whether his hearts still in it and he has the fire and desire to do it." Abraham, in his 15th NFL season, has five days under NFL rules before the Cardinals must either reinstate him or declare him out for the season. He missed nearly all of training camp to, as he later confirmed, undergo rehabilitation treatment for an alcohol problem. The rehab stint came after he was arrested in suburban Atlanta and charged with drunken driving. "I think with all the things that hes gone through in the last month, hes got a lot of things outside of football that hes never dealt with before," Arians said. "There are some people that can help him in that regard. Im not one of them." Arians said that "there are things Im not clinically smart enough to know what depression is and things like that so theres many issues that could be involved." Abraham, who had no tackles against the Chargers, expressed concern about whether he was hurting the team, Arians said. "If that game on Monday night football and that atmosphere didnt have you flying around like always or more, then somethings missing," the coach said, "and thats basically what he reflected to me. He said There were times in that game I wasnt in it and its not fair to my teammates. Ive got to decide if this is still what I really want to do." Abraham is in the second year of a two-year contract. He led the Cardinals with 11 1/2 sacks last season and made the Pro Bowl for the sixth time. He needs nine sacks to pass Michael Strahan for fifth on the career sacks list. Abraham played six seasons for the New York Jets and seven for the Atlanta Falcons before coming to Arizona as a free agent. "Were all hoping and praying for him, hoping he returns back to normal," quarterback Carson Palmer said. "Obviously, were going to miss him and miss his production. Somebody else has to step up. Coach Arians motto is next man up. Somebodys got to find a way to replace his production." The injury is another significant loss for the Arizona defence. Defensive tackle Darnell Dockett tore an ACL in training camp and is out for the season. The team already was without its two standout inside linebackers from a year ago. Karlos Dansby left for Cleveland via free agency and Daryl Washington is suspended for the season for violating the NFLs substance-abuse policy. Arians said Abraham told him that this was his first concussion, something that teammate Lorenzo Alexander doubts is true. "Playing this game everybodys had multiple concussions. Whether or not theyre diagnosed is something totally different," Alexander said. "Im pretty sure hes had multiple concussions throughout his career like we all have. This was probably his first documented one." Arians said Sam Acho would move into Abrahams spot. "Johns a leader. Hes a guy that leads by example," Acho said. "You look at his film, the way he plays the game. I watch Johns film to see what I can do better." Womens NMD Shoes Canada . He was with the New York Jets in 2011 when the NFL locked out their players after they failed to agree on a new contract. 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DALLAS -- The Portland Trail Blazers no longer are chasing the San Antonio Spurs in the NBAs Western Conference. LaMarcus Aldridge had 30 points and 12 rebounds, and the Trail Blazers beat the Dallas Mavericks 127-111 on Saturday night to pull even with the Spurs at 31-9. The Trail Blazers have won five consecutive games, including a 109-100 victory at San Antonio on Friday. "I was really proud of the way our team played, especially on the heels of an emotional win in San Antonio," coach Terry Stotts said. "Our resolve, defensively, I thought was very good and got us into a position to have a large lead." The lead reached 38 points at 111-73 with 9:43 to play. A 25-2 surge against Portlands bench brought Dallas within 15 points with 4:38 remaining before the starters returned to restore order. The Trail Blazers, the NBAs highest-scoring team, reached 30 points in the first quarter for the 14th time in 2013-14, and 100 points in three quarters for the fourth time. "We are just playing great basketball right now," Aldridge said. "Whenever guys guard the way they can, this team is good." Dirk Nowitzki led Dallas with 18 points in 21 minutes. All five Portland starters scored in double figures, and Aldridge, Robin Lopez and Damian Lillard (14 points, 10 assists) each recorded a double-double. "The first three quarters were beyond embarrassing," Dallas coach Rick Carlisle said. "We were poor on offence, too. We werent playing together. We werent helping each other. "You do that against a high-level quality team like Portland, theyre going to make you pay a heavy price." Portland outrebounded Dallas 55-30, scored 60 points in the paint and had 22 second-chance points. Nicolas Batum shot 6 for 7 and scored 15 of his 21 points in the first quarter as the Trail Blazers opened a 35-23 lead. "They were double-teaming LaMarcus," Batum said, "so the other four guys around him moved around to get open. Were a shooting team." Portland shot 51 per cent (46 for 90) for the game, including 59 per cent (26 for 44) for a 71-52 halftime lead. The Trail Blazers defence also was superb, holding the Mavericks to 39 per cent shooting (26 for 66) while running up a 104-70 lead after three quarters. Portland had 30 fast-break points to Dallas 5. "Theyre obviously a tough team to defend,&" Nowitzki said.dddddddddddd"They have LaMarcus on the block and they have shooters out there. They really got whatever they wanted for three quarters and they were very good." Carlisle found a silver lining in the fourth quarter, when the Mavericks outscored the Trail Blazers 41-23. "The guys that were in there in the fourth quarter really fought," he said. "Im going to find guys that will fight and get them in the game, simple as that." Jae Crowder scored all 13 of his points in the fourth quarter, and DeJuan Blair had 11 of his 13. The Mavericks Devin Harris played 17 minutes and scored six points in his first game this season following toe surgery. Harris played the first 3 1/2 of his 10 NBA seasons with Dallas, and re-signed with the team last summer, but missed the first 41 games. He received a standing ovation when he entered the game with 3:22 remaining in the first quarter. Harris missed his first two free throws, but hit a long 2-point field goal at the buzzer later in the quarter. "I actually like what I saw," Nowitzki said. "Were looking forward to getting him out there more and more and playing at a high level." Portlands lead grew to 18 in the second quarter, but the Mavericks battled back within 54-46 with an 18-8 run. With the Trail Blazers starting lineup back in the game, they scored 17 of the final 23 points in the second quarter. Aldridge and Batum each had 17 first-half points. The third quarter also started well for Portland, which quickly stretched its advantage to 83-58. NOTES: Dallas Shawn Marion made his 1,000th NBA start. . The Trail Blazers are just 8-6 when they have scored 30-plus points in the first quarter, but theyre 4-0 when reaching 100 in just three quarters. They entered the night averaging 109.1 points per game. ... The Mavericks reassigned rookie guard Ricky Ledo to Texas of the NBA Development League. He has played in only nine games for Dallas, averaging 3.3 minutes and 1.9 points. ... Mavericks owner Mark Cuban was fined $100,000 for confronting officials on the court and using inappropriate language after Wednesdays game against the Clippers in Los Angeles. ... When asked what knowledge Stotts had gained after Portland won only 33 games last season, Carlisle joked about his former assistant, "You mean other than what he stole here?" ' ' '