5 reasons behind Boston Celtics' disappointing form in the 2020-21 NBA Season

Boston Celtics bench in the loss to Atlanta
Boston Celtics bench in the loss to Atlanta

The Boston Celtics have lost seven of their past ten matches and have slipped to eighth in the Eastern Conference standings. With two All-Stars in Jayson Tatum and Jaylen Brown, who are both averaging over 24 points per game, being two games below .500 is unacceptable.

The road ahead doesn't look much easier for the Celtics either. Of their 16 games in April, 11 are against teams currently occupying a playoff spot. Things could get worse for Boston before they get better.

But with only 24 games left in the regular season, the Celtics don't really have the luxury of waiting for things to get better. Especially if they are to avoid a lowly playoff berth or worse, no postseason at all.

But why does a roster as talented as the Boston Celtics find themselves teetering on the edge of missing the playoffs? We assess below.

5 reasons the Boston Celtics are below .500 in the 2020-21 NBA season

After reaching their third conference finals in the past four years last season, the Boston Celtics came into this campaign expected to challenge for the top-seed in the Eastern Conference. While that is now a distant dream, their recent run suggests that even a top-four finish would require a minor miracle.

There are plenty of issues that have unraveled as the season has progressed, but below we list the five biggest areas of concern for the Celtics.

#1. Frontcourt vulnerability

Boston Celtics traded Daniel Theis before the deadline last week
Boston Celtics traded Daniel Theis before the deadline last week

Before the season, it was well-known that the Boston Celtics could struggle in the frontcourt, particularly in the paint. Their failure to address that problem is the main reason behind their disappointing form in the 2020-21 NBA season.

It was evident from the get-go that Daniel Theis wasn't going to cut it. While Tristan Thompson could provide efficiency as a scorer and rebounder, neither had what it took to challenge Joel Embiid, Giannis Antetokounmpo or Kevin Durant in the frontcourt.

Fast-forward to the trade deadline, general manager Danny Ainge had an opportunity to bring in a player who could be a season changer for the Boston Celtics. But no move for the likes of Nikola Vucevic or Andre Drummond came to fruition. Instead, the team traded for Moritz Wagner and Luke Kornet, who appear to be more of a like-for-like replacement for the outgoing Theis.

Boston ranks 24th in the NBA in giving up second-chance points to the opposition. This stems from their poor defensive rebounding. If they can make the playoffs, they will likely be dominated at the rim by the likes of Embiid and Antetokounmpo.

#2 Defense

Boston Celtics defensive leader Marcus Smart
Boston Celtics defensive leader Marcus Smart

The Celtics defense ranked among the top-five last season but is in the bottom ten in the current campaign. They allow more three-point attempts and a higher field-goal percentage than over half the teams in the NBA.

Part of the problem could be put down to Marcus Smart's absence earlier in the year. But the Boston Celtics just don't look like the same side that held the 76ers to only 100.5 points per game in their playoff series last season. Without him, the Celtics are 10-9. But Smart, Brown and Tatum are recording career-low defensive efficiency ratings.

#3 Celtics' inability to close out games

Fans of the Boston Celtics are unsure which side will show up on any given night. While the team has pulled off impressive victories over the LA Clippers and Milwaukee Bucks this season, they have also thrown away leads against the likes of the Cleveland Cavaliers.

Boston currently ranks 17th in 4th-quarter points, 28th in assists and 18th in rebounds. Combine these with their sub-par shooting (45% from the field and 73% from the line), the Celtics have been struggling to see off opposing teams.

Furthermore, they rank seventh in field-goal attempts made in the last four seconds of the shot-clock, indicating that their offense is not as free-flowing as coach Stevens would want it to be.

#4 Spreading the floor on offense

Boston Celtics star Jayson Tatum needs to control the offense more
Boston Celtics star Jayson Tatum needs to control the offense more

Although the Boston Celtics rank 12th in the league for offensive efficiency, which is not ideal but certainly not terrible, they rank 24th in assists per game. The Celtics have relied heavily on isolation offense this season, with star Jayson Tatum ranking fourth in the NBA for points per shot while isolated on the court.

Although Tatum's distribution has improved, the Celtics offense needs to see more from a player who averaged five assists per game in the playoffs last season. But that could be due to Tatum's change in role this season. Brad Stevens relied more heavily on the 23-year old in the bubble last season as a point forward running the floor.

But it does not bode well for Boston going forward that their two highest scorers - Tatum and Brown - only average a combined 8.1 assists per game.

#5 Bench strength

Jayson Tatum shoots a three
Jayson Tatum shoots a three

One of the Boston Celtics' biggest needs in the trade market was additional scorers from the wing as their offense has needed bolstering all season. The Celtics bench currently sits 25th in the NBA for points per game despite playing the 11th-most minutes. They also rank lowest in field-goal attempts.

Brad Stevens has simply not had an array of talent that he can reliably turn to every night. Evan Fournier has come into the team and will inevitably help their scoring deficiencies. He's averaging 18.5 points per game this season, though he will take time to settle in.

But they will be unable to compete in the postseason without a wealth of backup talent. If one of their stars gets injured, it could spell disaster for the Celtics' playoff hopes.

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