Grant Williams going to Mavs from Celtics in a 3-team trade that
Mavericks Land Grant Williams From Celtics In Huge 3-Team Trade
Celtics trade Grant Williams to Mavericks, get two 2nd-round picks
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Grant Williams going to Mavs from Celtics in a 3-team trade that
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Grant Williams joins Mavericks in three-team trade
Celtics reportedly exploring a sign-and-trade for Grant Williams
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Sources: Grant Williams heading to Mavs in sign-and-trade - ESPN
NBA: Grant Williams going to Mavericks from Celtics in a 3-team