The Boston Celtics are two games into preseason, and Joe Mazzulla is already sending a message: effort equals minutes. In this episode of Your Celtics Source, we break down Boston’s early takeaways — from lineup rotations to leadership, chemistry, and the rise of new faces like Chris Boucher, Payton Pritchard, and Derek White.Key Takeawys:- Joe Mazzulla Coaching Style & Accountability- Jaylen Brown and Derek White Leadership Roles- Chris Boucher’s impact and energy- Celtics Defensive & Rebounding Issues