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DENVER -- Wes Welkers receiving stats over a productive NFL career are impressive. Still, theres another set of numbers associated with him that cannot be ignored: three concussions, nine months. Cleared to play following his third diagnosed concussion since November, the Broncos receiver will get back in a game Sunday, when Denver travels to Seattle for a Super Bowl rematch. Welkers suspension for testing positive for amphetamines in the off-season was cut in half when the NFL and the union agreed to a revamped drug policy. Still, the comeback feels a bit rushed, with the potential for life-altering consequences if the next big hit the 33-year-old takes to the head winds up being his last. "We know that having multiple concussions is not good," said Dr. Julian Bailes, clinical professor of neurosurgery at the University of Chicago and a member of the NFL Players Associations concussion committee, who noted that all sorts of factors must be taken into account on an individual basis. "Its not necessarily career-ending. ... A contact-sport athlete whos had multiple concussions in a short period of time does risk further concussions and risks that it becomes a season- or career-ending proposition if they return to play." Welker returns less than a month since leaving an Aug. 23 preseason game after a hit to the head. On Wednesday, he said hed been medically cleared to play in the past week or so. But his drug suspension delayed his comeback by at least a game, a layoff he said was probably for the best. He has heard ongoing debate about his future -- whether an 11-year NFL veteran whos earned more than US$20 million along with a reputation as one of the games best slot receivers should even bother playing anymore. "I appreciate their concern, I really do," said Welker, who has 841 catches for 9,358 yards. "But at the same time, I feel great. I feel sharp and I feel ready to go." An NFL players assessment of his own health is one of the most important factors in determining when he returns. Its also a reason the NFL has no hard-and-fast rules about saying, for instance, that three concussions in less than 12 months should rule a player out. "It would create a tremendous disincentive to report that third concussion," says Chris Nowinski, a driving force behind research on the topic. "You really want to leave the decision in the hands of a great doctor and an honest patient and let them make the best decision for that athlete." The 5-foot-9, 185-pound Welker has been going over the middle and taking punishment for decades -- in high school, at Texas Tech, and with three NFL teams. But he passed the NFLs revamped return-to-play protocols established in 2009; independent doctors cleared him to play after comparing his brain function to the "baseline" numbers established in pre-training camp tests that look at memory, concentration and other cognitive functions. It is an inexact, still-evolving science, but the doctors say hes ready to be back on the field, using a new, bigger helmet. Ultimately, its a decision every player with a head injury makes for himself. Former Titans tight end Frank Wycheck got two concussions in the span of a month in 2003, missed six games, then finished the season. But Wycheck then made the difficult decision to retire, even though he was under contract and had the talent to continue playing. Like Wycheck, Welker is still in search of a Super Bowl ring. "The physical stuff you cant hide from," Wycheck said. "If you have lingering effects and you go back into a game, from all my reading and studying on it, ... it could prove to be fatal. And I would hate for him to put himself in that situation just to chase a ring." A ring. Fame. Money. Fans. Teammates. That all drives players to keep going, even when common sense dictates otherwise. "You dont want to let your teammates down," said Dr. Alex Valadka, who consults Major League Baseball and is the CEO of the Seton Brain and Spine Institute. "It doesnt matter if youre somebody whos sitting on a bench as a third-stringer or youre a star athlete making millions and millions a year." There is a growing and persuasive catalogue of the devastation head injuries can cause: suicides by ex-players such as Junior Seau and Dave Duerson, whose brains revealed signs of a disease associated with multiple concussions; last week, data released by the NFL in connection with concussion lawsuits estimated that nearly three in 10 retired players would be expected to develop Alzheimers disease or at least moderate dementia. "If you have an ankle injury and you rehab it and youre 100 per cent, then you should be allowed to return to play," said Richard Figler, co-medical director of the Cleveland Clinic Concussion Center. "With a brain injury, the question is: Is that 100 per cent the true 100 per cent?" The full extent of brain trauma in a player such as Welker might not be known for years, yet its a risk he -- and hundreds more in the NFL, too -- are willing to take. "You dont know if the next one will be the one that causes years of headaches or will still allow you to bounce back," Nowinksi said. "Its hard to make a decision on when to stop." Phillip Gaines Bills Jerseys . The defeat leaves the 41-year-old Nestor to concentrate on the mixed-doubles event after winning 12 straight matches and winning Australian titles in Brisbane and Sydney with two different partners. "This was a little bit of a let down, but all credit to them," said Nestor. Phillip Gaines Jersey .6 seconds left to give the Toronto Raptors a 92-89 victory over the Boston Celtics in an exhibition game Wednesday night. http://www.officialauthenticbillsshop.com/authentic-eddie-yarbrough-jersey.html . 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. Josh Allen Jersey . -- Derek Jeter says the New York Yankees have no choice but to move forward now that Alex Rodriguez has accepted his suspension for the 2014 season. Jeremy Kerley Jersey . With the final four being arguably the four best – and most complete – teams from the regular season, picking a winner is not as easy as it sounds.Phoenix, AZ (SportsNetwork.com) - Khris Middletons prayer was answered, and the Suns were handed another heartbreaking loss. Middleton banked in a 3-pointer as time expired to give the Milwaukee Bucks a 96-94 win in Phoenix on Monday. Zaza Pachulia gave the Bucks an 88-87 lead with 2:42 remaining with a layup, then both teams went scoreless until the final minute. Gerald Green put the Suns back in front with a corner 3-pointer with 41.9 seconds left, and former Sun Jared Dudley restored Milwaukees lead with a triple at the other end. Out of a timeout, Markieff Morris got free for a layup, and again the Bucks stole the lead back at the other end, this time with a Brandon Knight runner. Phoenix then took a timeout to advance the ball. It was inbounded to P.J. Tucker on the low block, and he found Morris near the free throw line for a jumper that gave Phoenix the lead back with 3.9 seconds to play. Milwaukee burned two timeouts before the final possession. Middleton came to the ball near the left sideline and let fly with a contested, off-balance trey that hit the backboard and every part of the rim before falling through. It wasnt pretty, but the guys kept fighting, said Bucks coach Jason Kidd. We found a way to win. Brandon Knight scored 20 points to lead Milwaukee, which overcame the loss of star rookie Jabari Parker to a knee injury to rally to a win. Parker injured his left knee on a drive to the basket early in the third quarter. The No. 2 pick was helped off the court by teammates and was diagnosed with a sprain. As of right now, we dont know anything, Kidd said.dddddddddddd Theyll do all the tests (Tuesday) and well be able to report something then. Phoenix lost its sixth straight game in eerily similar fashion to its game against the Clippers on Dec. 8. Blake Griffins game-winning 3 in that one bounced off the front of the rim before sneaking into the basket. Some years, the breaks arent going your way. Obviously, so far this year, they havent, Suns head coach Jeff Hornacek said. Weve got to make our own breaks. Morris had 25 points and Isaiah Thomas gave 20 off the bench. O.J. Mayo opened the fourth quarter with a 3-pointer and Giannis Antetokounmpo split a pair of free throws to get the Bucks within a point. The next three minutes belonged to Thomas. Thomas triple at 9:41 started a stretch of 11 of the next 13 points in the game scored by the diminutive guard. He followed his 3 with a layup, then canned two more contested shots from behind the arc out of a timeout to make it 83-73 in Phoenixs favor. Milwaukee scored the next nine points, however, to make it a game. Morris scored 10 points in the first quarter to help the Suns to a 26-14 lead. They held a 53-44 advantage at halftime and 72-67 lead through three. Game Notes The Bucks had lost three straight road games ... The Suns fell to 1-6 this season on the second game of a back-to-back ... Middleton and Pachulia both shot 6-for-9 and scored 14 and 13 points, respectively, off the bench ... Green shot 3-for-18, including 2-for-15 from 3-point range, in the loss. 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