Mazzulla’s rotation experiments and NBA rule changes

Mazzulla’s Celtics Rotation

Mazzulla holds the permanent head coaching position for the Boston Celtics after the organization removed his interim tag and signed him to a contract extension. He previously guided the team to a 43-17 record and a top-5 defense. The roster changed significantly this offseason when the team traded Jaylen Brown to the Philadelphia 76ers for Paul George and draft compensation. I find the current depth chart interesting as the team integrates Mitchell Robinson and Paul George into the rotation. The team carries 14 players on standard contracts and two players on two-way contracts, with Dillon Mitchell and Amari Williams as examples. Mazzulla’s coaching history includes three seasons at Fairmont State where he led them to a 22-9 record and a 2018 National Tournament appearance. He also coached the Maine Red Claws, where he worked with players like Abdel Nader and Damion Lee. In the 2019-20 season, he helped the Celtics reach the Eastern Conference Finals. Mazzulla’s coaching career began at Division II Glenville State, where he worked as an assistant from 2011 to 2013. You should watch how Mazzulla manages the rotation of Neemias Queta and Mitchell Robinson at center.

The Rockets’ Defensive Identity

Ime Udoka leads the Houston Rockets to a 34-20 record and a fourth-place ranking in the Western Conference. The team relies on a strong defense and rebounding, but they lack the offensive firepower of other Western Conference opponents. The Rockets rank seventh in the league in offensive metrics and seventh in 3-point shooting percentage, yet they rank 29th in 3-point shooting volume. Steven Adams suffered an injury that removed his rebounding from the lineup, which forced other players to carry more of the offensive load. Amen Thompson, Kevin Durant, and Alperen Sengun each took on more of the offensive end. Thompson, Sengun, Tari Eason, and Jabari Smith Jr. helped the Rockets continue their rebounding success after the loss of Adams. Amen Thompson remains the team’s best defensive player, but his offensive responsibilities sometimes reduce his energy for point-of-attack defense. The Rockets need Reed Sheppard to deliver playmaking and long-range shooting. Sheppard shoots 38.4% from long-range on 6.2 attempts per game. I think the Rockets struggle to maintain their identity without Adams. The team needs to return to their toughness to regain an advantage over opposing teams.

The Coach’s Challenge and 44-Minute Games

The NBA’s pilot program allows coaches to challenge a personal foul, an out-of-bounds violation, a goaltending violation, or a basket-interference violation through a specific signal where the coach twirls their index finger toward the referees. If the challenge fails, the team loses a timeout. This rule forces coaches to weigh the risk of losing a timeout against the potential of overturning a call. I think the strategy remains difficult because a successful challenge might not benefit the team if the opponent retains possession. Coaches study which players react most emotionally to officiating decisions. Erik Spoelstra described the challenge process as a waste of time that hurts the flow of the game. Coaches have won 44 percent of their 190 challenges to date this season. Only Alvin Gentry and Mike Malone have yet to win a coach’s challenge, both sitting at 0-for-4. The rule change could have applied to last season’s playoffs when a foul on Kyrie Irving went uncalled before the ball went out of bounds.

The league also experimented with a 44-minute game format on October 19 during a matchup between the Boston Celtics and the Brooklyn Nets. This format reduced quarters to 11 minutes and included fewer mandatory timeouts in the second and fourth quarters. Will the 44-minute experiment lead to a permanent change in game length?