Top 5 NBA players from the 2018 draft class who did not receive contract extensions before the deadline

The deadline for 2018 NBA first-round picks to sign rookie extensions was on Monday, 6:00 PM ET. Eleven players signed extensions, while 12 were unable to agree on a new deal. Among the remaining seven players, five are no longer in the NBA, while two were released and signed with new teams.

Out of the top five picks, Luka Doncic of the Dallas Mavericks received the largest deal. Other players from the draft class who received extensions were Trae Young, Shai Gilgeous-Alexander, Michael Porter Jr., Jaren Jackson Jr., Mikal Bridges, Kevin Huerter, Wendell Carter Jr., Robert Williams, Landry Shamet and Grayson Allen.

Here are the top five players from 2018 NBA draft class who did not receive a contract extension. They will enter next year's offseason as restricted free agents.

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#5 Marvin Bagley III

Marvin Bagley III of the Sacramento Kings.

Marvin Bagley III was the second overall pick by the Sacramento Kings in the 2018 NBA draft. Bagley is one of two top-five picks in the class who did not receive a contract extension before the deadline.

The 22-year-old big man has been productive whenever he has played. His only problem is staying on the court. Since getting drafted, Bagley has only played 118 games in three seasons.

Overall, Bagley averages 14.5 points, 7.4 rebounds and 1.0 assists per game. He still needs to improve his defense, but his main priority should be staying healthy. If Bagley stays healthy throughout the 2021-22 NBA season, he could earn a nice contract this offseason from the Kings or a new team.

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#4 Miles Bridges

Miles Bridges of the Charlotte Hornets

The Charlotte Hornets selected Miles Bridges with the 12th overall selection in the 2018 NBA draft. Arguably the most athletic player in the entire draft class, Bridges has improved in each of his three seasons in the NBA.

He averaged 12.7 points, 6.0 rebounds and 2.2 assists per game last season. He has become an important part of the Hornets alongside reigning Rookie of the Year, LaMelo Ball.

The Hornets know that Bridges will continue to improve this season as he emerges as one of the team's leaders. If he can have a breakout season, Charlotte will have no other choice but to pay him. Bridges also stated that he would like to stay with the Hornets long term, and possibly play his entire career in Charlotte.

#3 Donte DiVincenzo

Donte DiVincenzo of the Milwaukee Bucks

Donte DiVincenzo was the 17th overall selection in the 2018 NBA Draft. He was fresh off two NCAA championships with Villanova, and is now an NBA champion with the Milwaukee Bucks. However, DiVincenzo and the Bucks failed to agree on an extension.

The 24-year-old guard has improved every season, earning the starting shooting guard spot last season. In 66 games, DiVincenzo averaged 10.4 points, 5.8 rebounds and 3.1 assists, all career highs.

In the NBA playoffs, DiVincenzo injured his left foot, and had to undergo surgery. He is expected to return for the Bucks at some point this season. Before he earns his first big contract, DiVincenzo has to prove he can stay healthy and help the Bucks defend their championship.

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#2 Collin Sexton

Collin Sexton of the Cleveland Cavaliers.

The Cleveland Cavaliers selected Collin Sexton sixth overall in the 2018 NBA Draft. In his three seasons in the league, Sexton has proven that he can score consistently, either as a starter or off the bench.

Last season, Sexton averaged career highs across the board. He averaged 24.3 points, 3.1 rebounds, 4.4 assists and 1.0 steals per game while shooting at 47.5% from the field.

Despite Sexton enjoying a career year, the Cavaliers failed to give him an extension. Sexton has one more season to prove he can be successful alongside Darius Garland, who is eligible for an extension next season.

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#1 DeAndre Ayton

DeAndre Ayton of the Phoenix Suns

The first overall pick in the 2018 NBA draft was DeAndre Ayton of the Phoenix Suns. Ayton has become an integral part of a Suns team that was two wins away from winning their first NBA championship last season.

Ayton and the Suns were involved in extension talks throughout the summer, but the deadline passed, and no deal was signed. According to Adrian Wojnarowski and Brian Windhorst of ESPN, Ayton wanted a max, five-year contract, while the Suns did not view him as a max player.

The Suns have already extended two of Ayton's 2018 NBA draft classmates, Mikal Bridges and Landry Shamet.

So Ayton will enter the new NBA season with a lot to prove to earn the max contract he wants next summer. The 23-year-old big man from the Bahamas averaged 14.4 points, 10.5 rebounds, 1.4 assists and 1.2 blocks per game last season.