Lively had a rough NBA Finals debut after being a key contributor throughout the Mavs' postseason.
Jayson Tatum and the Celtics aren't taking the bait after Mavericks coach Jason Kidd attempted some gamesmanship with his Jaylen Brown comments.
Mavs coach Jason Kidd was likely using a little gamesmanship Saturday when he said, "Well, Jaylen's their best player."
It was some gamesmanship from Kidd, but he also isn't wrong about Game 1, or the Eastern Conference Finals.