RealGM - The Miami Heat, Memphis Grizzlies and Boston Celtics have reached a tentative agreement on a three-team trade according to an NBA source close to the negotiations who spoke with DraftExpress.com's Jonathan Givony.

The Miami Heat will receive Antoine Walker via a sign-and-trade from Boston, as well as Jason Williams and James Posey from the Grizzlies.

The Grizzlies will receive Eddie Jones from Miami and Marcus Banks from Boston.

The Celtics will receive Earl Watson via a sign-and-trade from Memphis, as well as Dorrell Wright or Miami's trade exception.

Watson's inclusion in the trade is a new twist to the deal, satisfying their need for a starting point guard. He will reportedly receive the mid level exception.