As the defeats mount and Carlton confront the loss of key players, coach Brendon Bolton says hes not worried about morale.Carlton take a four-game losing streak into Sundays MCG match with last years grand finalists West Coast.Bolton loses almost 400 games of experience through injuries to Andrew Walker (knee) and Dale Thomas (calf), with Andrejs Everitt dropped and Levi Casboult joining them on the sidelines due to suspension.With skipper Marc Murphy already out with a long-running ankle complaint, its experience the young Blues will miss against the Eagles.True to his personality and to the clubs mission this year, Bolton is seeing the positives.Weve got a few changes this week but I look at it as an opportunity for those who havent played regular senior footy, he said.In a funny way it gives our group a bit of spark and excitement.The four inclusions, all named as interchange players, bring a total of 70 games experience; Dylan Buckley, Nick Graham, Kristian Jaksch and Charlie Curnow.Moving into the forward line are Jed Lamb and Matthew White.Theyll fill the gulf left by key target Casboult, who left his coach frustrated by a one-week ban for a gut punch after a week where the practice received widespread media attention.If Levi had his time again hed do things differently. Hes got to learn from that. We move on, Bolton said.Jaksch will play his first game of the season but the inclusion that will excite Carlton fans is teenager Curnow.The talented teen has overcome glandular fever and an ankle knock to be considered again at senior level.On paper, its not a side that will challenge the Eagles, even if Adam Simpsons side have just two wins from six interstate trips this season.As with every other game this season, Bolton says he wont be looking to the scoreboard to judge their efforts.When you can see the little steps going forward in games, the spirit is always high, he said.Even (against Adelaide last week), in the first half we had multiple turnovers in our front half which shows progress.Our year is all about growth. Not just defined by wins.I look at (the West Coast game) as a good benchmarking game because we can learn from them, win lose or draw. Cheapest Air Force 1 . P.A. 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Kuznetsov, who was selected by the Capitals in the first round of the 2010 NHL Entry Draft, has been playing for his hometown team Chelyabinsk Traktor of the KHL. SAN FRANCISCO -- Two teams being cautious with injured players, getting acquainted with new ones and perhaps still shopping for upgrades, will hook up for a fourth time in four days on Sunday when the Washington Nationals take on the San Francisco Giants.The Nationals have won two of the first three in the battle of National League division leaders, but the Giants are the ones coming off a 5-3 win Saturday.On a day when the Nationals acquired a new closer, the Giants new utility infielder, Eduardo Nunez, was one of the heroes in the win.Nunez, picked up Thursday from Minnesota, collected two hits, including a two-run double that ignited a Giants comeback from an early 3-0 deficit.It helped San Francisco avoid what would have been a fourth straight loss.Thats the reason they brought me here, Nunez boasted. To win games.Nunez started at shortstop in place of Brandon Crawford, who suffered a bruised left hand in Fridays loss.Giants manager Bruce Bochy said he hopes to have Crawford back in the lineup Sunday, which could mean a second position in two days for the versatile Nunez.The Giants figure to have an opening in center field Sunday, with Denard Span likely to miss a second consecutive game because of a strained quad that occurred during a collision at first base in Fridays game.Nunez has played 29 games in the outfield in his seven-year career.The Nationals are hoping new closer Mark Melancon arrives in time for the series finale after having been acquired in a trade with the Piittsburgh Pirates shortly before the start of Saturdays game.ddddddddddddWashington dealt two left-handers -- major-leaguer Felipe Rivero and minor-leaguer Taylor Hearn -- in order to get the All-Star.Even a midgame arrival by Melancon would be fine for the ninth-inning specialist, Nationals manager Dusty Baker assured.Were getting some reinforcements, the veteran skipper proudly declared.Baker wasnt so confident about star second baseman Daniel Murphy after having sat him out of Saturdays game.Murphy felt tightness in his left leg in the cold San Francisco weather during Thursday nights game, then tried to play through it on Friday.He had to be pulled midway through the win, and was given the full game off Saturday.Still being precautionary, Baker said of Murphy.He remains questionable for Sunday.With trade winds swirling around both teams, Bochy and Baker are comforted in knowing theyve got veteran starting pitchers going Sunday.The Giants will go with 12-year veteran Matt Cain, who will be seeking his 100th victory in a San Francisco uniform.Cain has a 5-5 record and 3.64 ERA in 15 career starts against the Nationals.Washington will counter with nine-year veteran Gio Gonzalez, who spent his first four years across the bay from San Francisco with the Oakland Athletics.Gonzalez sports a 3-3 record and 3.33 ERA in nine career starts against the Giants. 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