DOHA, Qatar -- A chest injury prevented Darren Clarke from teeing up in his 500th European Tour event at the Qatar Masters on Wednesday. Alex DeBrincat 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. Clarke, who was set to become the 25th player to compete in 500 tour events, headed back to his hotel and a flight home. "Its disappointing Darrens had to withdraw as the tour was looking forward to honouring his 500th tournament with a presentation before he teed off this morning," tournament director David Probyn said. "We will just have to wait now until Darren next competes in a European Tour event." That will be the Masters at Augusta National from April 10, with Clarke taking up the third year of a five-year exemption in capturing the 2011 British Open. Hes next entered in the U.S. PGA Tours Northern Trust Open from Feb. 13 in Los Angeles. Stan Mikita Jersey . PAUL, Minn. Tony Esposito Jersey .com) - Rajon Rondo turned in a game-high 21 points to go with eight rebounds and seven assists as Dallas claimed a 102-98 win over the Lakers on Friday. http://www.officialblackhawksauthority.com/brent-seabrook-blackhawks-jersey-c-11/ . These days, just about anyone can get a taste of the friendship that has blossomed between All-Star Kevin Durant and Oklahoma City Thunder teammate James Harden, most famous in the past two weeks or so for the elbow to the head he took from the Los Angeles Lakers Metta World Peace.Lewis Hamilton continued the perfect start to the defence of his world title as he topped a rain-affected Practice Two ahead of the Australian GP. The world champion set the pace with a 1:38.841 on the intermediate tyres, having already been quickest in the days opening session.The car performed well and although we didnt get a huge number of laps in, they were still quite constructive sessions. I was lucky to get a couple of dry laps to get a tiny feeling for what the balance is like around here [in Practice One], which was down to some good work from the team to time my runs right, said Hamilton. Lewis Hamilton video was wrong but Merc wont ask him to changeBut with rain falling throughout the afternoon session, none of the drivers ran on slick tyres - leaving the field acutely short of relevant data heading into the first weekend of the new season.There wasnt much we could learn, admitted Ferraris Sebastian Vettel.Nico Rosberg, however, fared even worse, crashing out in the early stages. Mercedes Nico Rosberg spins at Turn Six The Mercedes driver lit up the rear tyres on the W07 as he crossed the slippery road markings and the car speared into the wall, breaking the front wing which Mercedes hadnt used during Practice One to protect from damage due to a lack of spares.I just accelerated a little too much and I lost the car so that wasnt good. It was good for me that the track didnt dry out so I didnt lose out as a result, so the others didnt get an advantage for tomorrow, Rosberg told Sky Sports F1.Team boss Toto Wolff told Sky Sports F1 that they team would ideally have called Rosberg in for a set of full wets, but the new radio restrictions meant they werent allowed to. Johnny Herbert has an umbrella incident with an Formula 1 fan at Albert Park! Persistent rain during P2 prevented the drivers from venturing onto the dry tyres that had been used in first practice, with all of the best times posted on inters. Tanner Kero Jersey. .Williams only sent Valtteri Bottas and Felipe Massa out late in the session, but only so they could carry out pit stop practice, while neither Renault driver posted a time either. The two Sauber drivers and Toro Rossos Max Verstappen stayed in the garage throughout the 90 minutes.When is the Australian GP on Sky Sports this weekend?McLaren duo Fernando Alonso and Jenson Button were sixth and seventh respectively.For qualifying tomorrow, I think its important that the fans know whats happening, said Button. The fans are a big part of this sport, and its important that they understand the reasons for the change. I reckon some teams and drivers will make mistakes in quali during the next few races, but I think were well prepared. Practice Two timesheet1. Lewis Hamilton, Mercedes, 1:38.8412. Nico Hulkenberg, Force India, 1:39.3083. Kimi Raikkonen, Ferrari, 1:39.4864. Daniel Ricciardo, Red Bull, 1:39.5355. Carlos Sainz, Toro Rosso, 1:39.6946. Fernando Alonso, McLaren, 1:39.8957. Jenson Button, McLaren, 1:40.0088. Sebastian Vettel, Ferrari, 1:40.7619. Sergio Perez, Force India, 1:41.25610. Daniil Kvyat, Red Bull, 1:42.41111. Esteban Gutierrez, Haas, 1:42.98112. Pascal Wehrlein, Manor, 1:43.40113. Romain Grosjean, Haas, 1:43.73114. Rio Haryanto, Manor, 1:44.30415. Nico Rosberg, Mercedes, 1:47.35616. Kevin Magnussen, Renault, No time17. Jolyon Palmer, Renault, No time18. Felipe Massa, Williams, No time19. Valtteri Bottas, Williams, No time20. Marcus Ericsson, Sauber, No time21. Felipe Nasr, Sauber, No time22. Max Verstappen, Toro Rosso, No time The Sky Sports F1 punditry team give some of their predictions ahead of the start of the 2016 Formula One season. Part 2 coming soon. Every race live in 2016 Sky Sports F1 brings you every race live in 2016. Fast and easy online upgrade - click here. 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