Celtics' Jayson Tatum listed as 'questionable' for Game 7 vs. 76ers due to left knee stiffness Tatum was downgraded to questionable on Saturday after Boston had no injuries to report on Friday. Content Original Link: https://sports.yahoo.com/nba/breaking-news/article/celtics-jayson-tatum-listed-as-questionable-for-game-7-vs-76ers-due-to-left-knee-stiffness-174349457.html