The Boston Celtics have signed head …

The Boston Celtics have signed head coach Brad Stevens to a contract extension, the team announced today. Per team policy, terms of the deal were not disclosed. Stevens, who was named the franchise’s 17th head coach on July 3, 2013, has produced a 318-245 win-loss record (.565) in six-plus seasons with the Celtics. His 318 wins are the fourth-most by any Celtics coach in franchise history (795-Auerbach, 427-Heinsohn, 416-Rivers).