BOSTON (CBS) – The Celtics have traded center Kendrick Perkins to the Oklahoma City Thunder, WBZ-TV has confirmed.

In return the Celtics will receive forward Jeff Green and center Nenad Krstic.

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Guard Nate Robinson is also included in the deal.

In four seasons in the NBA, Green has averaged 14.2 points-per-game and 5.8 rebounds. The Celtics originally drafted Green fifth overall in 2007, but sent him to Seattle on draft night in a trade for Ray Allen.

Krstic, a seven-footer, spent the first four years of his career with the Nets before joining the Thunder in 2008. He’s averaged 10.1 points-per-game and 5.4 rebounds throughout his career.

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Listen: Felger & Mazz Talk Perkins Trade

Perkins was the second longest tenured Celtic behind Paul Pierce. Drafted in 2003 out of Clifton J. Ogden High School in Texas, Perkins was seen as a defensive enforcer. He played a pivotal role in the Celtics championship run of 2008, and many feel the Celtics would have won it all in 2010 had Perkins not tore his ACL in game 6 of the NBA Finals.

Robinson, acquired at the trade deadline in 2010 from the Knicks, tweeted after the trade:

“Will miss all my Boston fans I love y’all , u guys showed me love, E.House shoes tough to fill and y’all made it EZ for me to fill em.”

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The trade was first reported by Yahoo Sports.