RIO DE JANEIRO -- In addition to Round 2 of womens golf, platform diving and BMX cycling, here are a few other events to keep on the radar Thursday:Womens semifinals, U.S. versus France, 6 p.m. ET: The American women enter the semifinals riding a 47-game Olympic winning streak and will vie for their sixth straight gold medal, which would be their ninth in 10 appearances. They will likely be without star guard Sue Bird, who is day-to-day with a sprained knee capsule. Still, the team is averaging more than 104 points a game. The game is a rematch of the 2012 London gold-medal game, a game the Americans won by 36 points. Spain and Serbia play in the other semifinal (2 p.m. ET).Complete basketball coverageMens 200-meter final, 9:30 p.m. ET; Decathlon final, ET: Usain Bolt races for his eighth Olympic gold medal in the 200 final. Not only will he be going for gold, but hell also be trying to break his own world record in the event (19.19). Justin Gatlin will not be one of his main challengers (the American failed to qualify after his semifinal heat tie wasnt fast enough to advance); instead, LaShawn Merritt and Canadas Andre De Grasse, who toyed and smiled with Bolt as they crossed the finish line in the semifinal heat, will look to pull off the upset.Earlier in the evening, Ashton Eaton looks to lock up his second straight Olympic gold medal in the decathlon. Hed become the third athlete to complete the feat, joining Daley Thompson (1980, 1984) and Bob Mathias (1948, 1952). Eaton holds the world record, last set at 9,045 points in 2015, and his 8,750 score at Olympic trials is the best score in 2016 by 145 points. Also, Caster Semenya races in the womens 800 semifinal heats, as she looks to better the silver medal she won in London four years ago.Complete track and field coverageWomens semifinals, U.S. versus Serbia, noon ET: The U.S. womens team faces Serbia and looks for its third straight Olympic final appearance. And after losing to Brazil in both gold-medal matches in 2008 and 2012, the Americans see an opportunity given that the host country was already ousted by China. China plays the Netherlands in the other semifinal (9:15 p.m. ET).Complete volleyball coverageFrederik Gauthier Jersey . Clarke was injured while practicing on the Doha Golf Club range after the pro-am on Tuesday. The Northern Irishman arrived at the course on Wednesday hoping to start, but after hitting a few balls on the practice putting green Clarke advised officials he was not fit to play. Garret Sparks Maple Leafs Jersey . Just not the game. Kyle Palmieri scored two straight goals in the third period to rally the Anaheim Ducks past the Philadelphia Flyers 3-2 on Tuesday night. http://www.mapleleafsteamstoreonline.com/authentic-kris-versteeg-maple-leafs-jersey/ . "Four now," Carl Gunnarsson told the Leaf Report proudly following a 5-2 victory over New York on Tuesday night, the clubs fifth straight at home. Grant Fuhr Jersey . He just needed to be his best twisting, turning acrobatic self. "I didnt need to be anybody else, I just needed to be myself and be aggressive," said Burks, who scored a career-high 34 points to spark the Utah Jazz to a 118-103 victory over the Denver Nuggets on Monday night. Travis Dermott Jersey . Andrew Luck lost his favourite target and the Indianapolis locker room lost one of its most revered leaders when Reggie Wayne was diagnosed Monday with a torn anterior cruciate ligament in his right knee that will cost him the rest of the season.The Washington Capitals have re-signed defenceman Karl Alzner to a four-year contract extension, the team announced Thursday. Alzner will earn $2.8 million per year from 2013-14 through the 2016-17 season. "We are very pleased to sign Karl Alzner to a contract extension," said GM George McPhee in a statement. "Karl is just entering his prime and has been a model of consistency for our organization since he entered the League. He plays tough and valuable minutes against some of the NHLs top players every game." Alzner, 24, recorded one goal and four assists in 48 games during the 2012-13 season. He ranked third on the Capitals in average ice time per game (20:57) and finished ranked second in blocked shots (85). Last season marked the third consecutive campaign in which Alzner appeared in every Capitals game (including the playofffs), joining John Carlson as the only two players to appear in every Capitals contest since the 2010-11 season.dddddddddddd The Burnaby, British Columbia, native has collected 44 points (5 goals, 39 assists) and a plus-17 plus/minus rating in 263 career NHL games. Alzner ranks tied for seventh in games played among his 2007 draft class and has ranked in Washingtons top-3 in blocked shots each of the past three seasons. The defenseman has recorded one goal and four assists in 31 career NHL playoff games with Washington and ranked in the Capitals top-5 in average time on ice in each of the past three postseasons. From 2008 through 2010, Alzner appeared in 103 AHL games with the Hershey Bears, collecting 41 points (seven goals, 34 assists) and a plus-57 rating while helping lead the team to the 2010 Calder Cup championship. ' ' '