Boston Celtics rookie Jayson Tatum on preparing for summer league and role with Cs

-~-~~-~~~-~~-~-<br />Please watch: "FULL KYRIE IRVING and GORDON HAYWARD CELTICS Press Conference" <br />https://www.youtube.com/watch?v=f7FoDj4-Nzw<br />-~-~~-~~~-~~-~-