Celtics' Jayson Tatum injures ankle after flagrant foul, exits game against Kings

The Boston Celtics have already clinched a playoff spot and entered Tuesday with the second-best record in the NBA's Eastern Conference. 

The defending champions extended their winning streak to six games Monday when they defeated the Sacramento Kings. 

But Celtics coaches and fans held their collective breath in the third quarter when star forward Jayson Tatum held his ankle as he lay on the court. 

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Tatum had just knocked...