Novak Djokovic will resume the defence of his Miami Open title with todays fourth round clash against exciting youngster Dominic Thiem. The world No 1 has won both of his previous matches in straight sets, but could receive a tougher test against the talented Austrian, live on Sky Sports.Djokovic has displayed his usual imperious form on the hard courts in America and he retained his title at Indian Wells before heading to Florida. The Serb needed only 78 minutes to defeat Joao Sousa in the last stage, which was his 12th triumph in a row at the tournament.But Thiem is also yet to drop a set this week and has already picked up two titles wins this year, lifting trophies in Buenos Aires and Acalpulco.Dimitrov can build on Murray win Grigor Dimitrov claimed a three-set win over Andy Murray Grigor Dimitrov swiftly returns to action after his win over Andy Murray as he takes on 16th seed Gael Monfils in the next stage.The Bulgarian battled back from a set down to complete a 6-7 6-4 6-3 win over Murray, who vented his frustrations by smashing his racquet against one of his bags. Andy Murray smashes his racquet against his bag several times after being broken by Grigor Dimitrov in the Miami Open During a busy schedule, sixth seed Kei Nishikori faces Roberto Bautista Agut, while seventh seed Tomas Berdych takes on Richard Gasquet.Nick Kyrgios, Milos Raonic, and David Goffin are also part of todays packed line-up.Watch Novak Djokovic against Dominic Thiem as part of the live coverage from the Miami Open, starting at 4pm on Sky Sports 3. Also See: Angry Murray crashes out Murray: No rift with Mauresmo ATP schedule Tennis on Sky Nike Air Max Online Store .The McLaren MP4-30 was launched on Thursday, with chief executive Ron Dennis saying it marks the start of a lengthy journey back to winning grands prix and eventually world championships.McLaren, which hasnt won a grand prix since 2012, will be using Honda engines for the first time since 1992, and has signed two-time world champion Fernando Alonso to partner Jenson Button for the upcoming season. Clearance Air Max Shoes . At this point, even he isnt sure when it is going to stop. The right-hander dropped his fourth straight decision in Los Angeles 6-1 loss to the Pittsburgh Pirates on Wednesday night, leaving his status very much in doubt as the Dodgers prepare for the stretch drive. http://www.airmaxtrainerswholesale.com/. -- The Washington Redskins coaching staff distanced itself from other coaches Thursday by siding with ownership -- and not the players -- in the NFLs labour dispute. Cheap Nike Air Max Shoes . The ongoing funk on penalty kill and an unusually quiet night on home ice for the power play divided the Leafs from the Bruins at the ACC in a rare Sunday night affair. Nike Air Max Womens Sale . On Monday night, many fans in this city placed the blame squarely on the captain for his role in the James Neal overtime winner against the Pittsburgh Penguins.You can take Mike Futas name off the list of candidates to fill any current vacant NHL general manager positions. According to TSN Hockey Insider Bob McKenzie, Futa has agreed to a new deal to stay with the Los Angeles Kings. Futa was rumoureed to be among the canadidates to replace Mike Gillis as general manager with the Vancouver Canucks.dddddddddddd Former Kings assistant general manager Ron Hextall recently left to join the Philadelphia Flyers as their new GM. ' ' '