Jon and Justin pull away from their family vacations in "Parts Unknown" to discuss the Hayward signing and what steps may be next.  Summer League is also underway and there is some gushing over the performances of Jayson Tatum and Jaylen Brown with some concerns expressed regarding the possibility of relying on Zizic this season as a rotation player.  And, the guys aren't sure that Porzingis is out of the mix yet...

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