NBA podcast: Kyrie unsure about Celtics, Mavs acquire Porzingis

Welcome to the latest edition of "Pound the Rock," a weekly NBA podcast hosted by William Lou, Joseph Casciaro, and Joe Wolfond.

Find the show on iTunes, Soundcloud, and Stitcher.

Topics for this week's episode include:

• Kyrie Irving retracts commitment to Celtics
• Is Irving headed to New York?
• Knicks trade Kristaps Porzingis to clear cap room
• How good will the Mavericks be with Porzingis and Luka Doncic?
• Anthony Davis doesn't want to play in Boston
• All-Star snubs