Australia crushed Bangladesh by eight wickets in the second one-day international at Darwin on Wednesday to take an unassailable 2-0 lead in their three-game series. The Australians showed no mercy as they coasted to victory with more than 27 overs to spare after bowling the visitors out for just 117 then racing to 118 for two in reply. Left-hander Shaun Marsh top-scored with an unbeaten 69 while his fellow opener Shane Watson made a brisk 29 as the world champion followed up its 180-run win on Saturday with another lopsided victory. “We're winning one-day international games for our country, which is the most important thing,” Australia's acting captain Michael Clarke said. “It doesn't matter who you play against, in our team, in our culture, you want to win every game you play.” Wicketkeeper Dhiman Ghosh topscored for Bangladesh with a defiant 30 while Mitchell Johnson was the pick of the Australian bowlers after capturing 3-17. Bangladesh made a terrible start to its innings after winning the toss and electing to bat when Tamim Iqbal was dismissed first ball and two more wickets tumbled inside the first six overs. The tourists recovered to at least eclipse their embarrassing total of 74 from the weekend but were unable to post a target to seriously challenge the Australians. “We don't see this as an improvement, we are a much better side than this,” said Bangladesh captain Mohammad Ashraful. Marsh, the son of former Test batsmen Geoff Marsh, followed up his 76 from the series opener with another half-century that featured nine fours and a six. He also put on 73 for the opening wicket with Watson before the latter was trapped lbw by spinner Shakib Al Hasan, who also snared the prized wicket of Clarke in one of the rare highlights for the visitors. Chappell to coach young Australia players Former Test captain Greg Chappell has been appointed as the new head coach of Australian cricket's Center of Excellence. Chappell will oversee the development of Australia's next generation of players after being hired to replace Tim Nielsen who has taken over as coach of the Australian national side. Chappell, who also served a two-year stint as India coach, signed a three-year deal to take what one of the most important cricket jobs in Australia. “Greg brings to the role a great deal of experience as player, captain and coach,” Cricket Australia chief executive James Sutherland said. “This is a key appointment for Australian Cricket.” The 60-year-old Chappell was one of Australia's most successful batsmen during his playing career in the 1970s and early 1980s. He played 87 tests, scoring 7,110 runs at an average of 53.86 and captaining his country 48 times. “I am looking forward to the challenge this position will offer in what is an exciting time, not just for Australian cricket but world cricket as a whole,” Chappell said.