Dallas Mavericks forward Justin Jackson appears ready to work his way up in the rotation, as he has been working hard this summer. In fact, the 24-year-old has already added 20 pounds of muscle this offseason, making him more ready to go toe-to-toe with bigger wing players in the league in the 2019-20 season.

Eddie Sefko of Mavs.com posted a video on Twitter, showing Jackson working on his three-pointers. It was also revealed that he has been working hard to improve his physique this summer.

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Jackson said last month that he is looking forward to having a successful season with the Mavericks. He is hoping that the Mavericks, who will feature the European duo of Kristaps Porzingis and Luka Doncic, will make the playoffs, which they failed to achieve in the past three seasons.

“I came into the league on a team that didn’t win many games, and last year, I finished up the year here and we weren’t in the playoff run,” Jackson said, per Sefko. “It’s going to be exciting to see when we’re actually playing for something at the end of the day. It’ll be really fun.”

The former North Carolina standout was shipped to Dallas midway through his sophomore year last season. In 29 games with the Mavericks, he posted 8.2 points and 2.3 rebounds. He started in 11 games with the Mavs and is expected to be in consideration for the starting wing position next season.