Sidney Crosby collided with a Pittsburgh Penguins teammate last Friday at practice and thought nothing of it. Just one of those things.When the two-time MVP woke up Saturday, though, the headache he experienced felt familiar and he was hardly surprised by the concussion diagnosis that will keep the Penguins captain out indefinitely.Its well-worn territory to be sure for a player who missed the better parts of two seasons following a blindside hit to the head in January 2011.That doesnt mean, however, that what Crosbys dealing with now will linger as long -- or as frustratingly -- as those interminable two years when he wondered when hed get right.If anything, what he endured then will only help him going forward.I think going through it, you understand the process and I think that progress is a good thing, he said.Crosby felt good enough on Tuesday to spend nearly an hour on the ice skating alongside injured teammates Bryan Rust and Matt Murray, but he declined to set any sort of timeline on when he may return.Call it the residue from the aftermath of the hit by Washingtons David Steckel during the 2011 Winter Classic that forced Crosby to hit pause on his spectacular career.I just go day by day, Crosby said. You dont look too far ahead.Both Crosby and the team declined to get into specifics about what exactly happened, though he insisted the injury is a result of getting tangled with a teammate at practice and not something that occurred during the recently completed World Cup of Hockey. Crosby was the tournaments MVP after leading Canada to gold.Im not making this up, Crosby said. It was pretty clear I think.Crosby will remain in the concussion protocol for now, a series of procedures he knows well, ones that continue to evolve as more research comes to light.Weve learned so much in a short period of time, Crosby said. I think theres a really good structure in place on how to get back and that kind of thing. I feel confident and comfortable with everything.The Penguins open the season Thursday night at home against Washington and during a pregame ceremony will raise the banner for the franchises fourth Stanley Cup title. Crosby almost certainly will be out of the lineup, but he harbors no concerns about how this latest head injury will affect him in the long term.(Concussions) happen, he said. They happen in a lot of different sports and guys have multiple concussions and theyre fine. Just have to treat them the right way and make sure they handle it right and youre honest. Like I said, Im comfortable and confident that things will be OK.The timing is eerie when it comes to the level of Crosbys play. He was leading the NHL in scoring and in the middle of perhaps the best hockey of his career in 2011. This time, hes coming off a stretch in which he captured the Conn Smythe Trophy as the playoff MVP while leading the Penguins to a title and backed it up with a sublime performance in the World Cup.Thats the first thing I thought when I saw the headline, said Buffalo Sabres coach Dan Bylsma, who coached Crosby in Pittsburgh from 2009-14. Id like to compete against him and beat him, no question. But at the same time, I hope hes able to get back to playing, and get back to playing the way he can.Crosby, a notorious workaholic, needs hockey. Theres little doubt the NHL needs him.You want the top players in the game, said Washington Capitals defenseman Matt Niskanen, a former teammate in Pittsburgh. Thats best for everybody. When everyones best players are in the game, thats what everyone wants to see. But most importantly for the individual, you just hope that its nothing serious.The Penguins have been able to survive without Crosby in the lineup, at least during the regular season. Evgeni Malkin won the Hart Trophy (MVP) and the Art Ross Trophy (leading scorer) after the 2011-12 season, a year in which Crosby was limited to 22 games as he continued to battle concussion-like symptoms.We know how we can play better with Sid, but we can play better without him, too, Malkin said. We have great teammates and great leadership group here.And a core that is only too aware of the toll concussions can take. Defenseman Kris Letang has dealt with multiple concussions during his career, and goaltender Marc-Andre Fleury suffered one late in the regular season that kept him out so long his job was eventually taken by rookie Matt Murray, who helped guide the Penguins to the Cup.As encouraging as it was to see Crosby in the dressing room on Tuesday, the Penguins are taking nothing for granted.It makes your mind think maybe hes close, but these types of things are on their own timeline and no one compares to somebody else, forward Chris Kunitz said. The good thing is he understands what hes going through, and hell be the best one to be able to come back from it.Game notesThe Penguins claimed goaltender Mike Condon off waivers on Tuesday and assigned Tristan Jarry to their AHL affiliate. Condon will back up Fleury while Murray recovers from a broken hand.---AP Hockey Writers Stephen Whyno in Washington and John Wawrow in Buffalo, New York, contributed to this report.William Perry Chicago Bears Jersey . Murray beat Sam Querrey 7-6 (5), 6-7 (3), 6-1, 6-3 to clinch Britains opening-round victory against the United States on Sunday at Petco Park. "Im proud of the way Im playing just now, because I had to do a lot of work to get back to where I want to be," Murray said after celebrating with his teammates on the red clay court in a temporary stadium in left field of the downtown home of baseballs San Diego Padres. 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After a first half in which he thought "the lid was on the basket," the Toronto Raptors coach watched his squad mount a second half surge to defeat the Cleveland Cavaliers 98-91.ANAHEIM, Calif. -- The difference between the two pitchers scheduled to start Fridays game between the Los Angeles Angels and Boston Red Sox couldnt be bigger, considering how each has pitched this season.Red Sox starter Rick Porcello has won five starts in a row and has won seven consecutive decisions overall. He also won his first five starts of the season and is 13-2 for the season.Lincecum, meanwhile, is coming off his worst start of the season after joining the Angels on June 18. He gave up eight runs in just 1 1/3 innings in his last start July 24 against Houston. Overall, he is 2-4 with an 8.70 ERA in seven starts.While Porcello has been hot overall, the Angels can lean on the idea that Porcello is beatable on the road. His splits show that he is 10-0 with a 3.21 ERA in 11 starts at Fenway.I just feel good (at Fenway), Porcello told Boston.com. I feel comfortable pitching in front of our crowd.Red Sox manager John Farrell sees the same thing.Rick is in a very good place ... in Fenway, Farrell said. You talk about dependable and reliable, he embodies that. He epitomizes that.The road, though, has not been quite as good to Porcello. He is 3-2 with a 4.02 ERA in nine starts away from Fenway. In fact, hes won on the road only once since the end of April.It would seem, however, that Porcello doesnt need to be on the top of his game Friday considering the struggles of Lincecum, whom the Angels signed out of desperation amid an influx of injuries to their starting pitchers.ddddddddddddincecum had hip surgery last December and appeared to be a good pick-up for the club after he made his first start, giving up just one run in six innings against Oakland.But he hasnt been able to last six innings in any of his six starts since, and has failed to last even five innings in four of seven of his starts, taxing the Angels bullpen.Im confident in the process, that this is part of what Im going through right now, Lincecum told MLB.com after his last start. If it takes going through this, then it takes going through this. And if they have to make a decision that puts me in a different position, then Ill be open to that. But at the same time, Im definitely going to go after this as a starter and still keep grinding it out that way, and try to give my team a chance to win. I havent been doing that.Though hes a two-time Cy Young award winner, Lincecum did not pitch well against the Red Sox earlier in his career when he was a better pitcher. Pitching in the National League, however, Lincecum has faced Boston only twice in his career, going 0-2 with a 10.13 ERA.Likewise, Porcello didnt pitch well against the Angels while pitching against them as a member of the Detroit Tigers, going 4-6 with a 6.82 ERA in 13 career starts. ' ' '