The Boston Celtics are currently in the midst of a frustrating slump, a stretch marked by poor shooting and a lack of execution in critical moments.

After losing to the Hawks, Celtics head coach Joe Mazzulla made it clear that he's not scared of the challenges of the regular season.

Jayson Tatum and Joe Mazzulla aren't happy with the way the Celtics are playing, but they're also taking a positive mindset through it.