By Brendan Maloy
October 29, 2013

The Mavericks have split with their new GM Gersson Rosas just 3 months after hiring him. Dallas Mavericks owner Mark Cuban has parted ways with the team's new general manager. (Ronald Martinez/Getty Images)

The Dallas Mavericks have split with general manager Gerrson Rosas just 3 months after Rosas was hired, according to ESPN's Marc Stein.

The 35-year old Rosas was hired away from the Houston Rockets this summer, after rising through their ranks to become the vice president of basketball operations.

The Mavs GM position has not been filled since Don Nelson left the role in 2005, but his son Donnie Nelson has handled the duties generally associated with the position until Rosas was hired.

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The reasons for the Rosas' abrupt departure are not yet known, but sources say there were immediate concerns about how he 'fit' within the organization after his July hiring.

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