Paul Pierce said the Celtics are still trying to develop some chemistry.

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