2021 NBA Free Agency: 5 underrated power forwards available this summer

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#3 Bobby Portis (Player Option)

2021 NBA Finals - Game Six

Another underrated member of the Milwaukee Bucks championship-winning side this summer was Bobby Portis. The 26-year-old averaged over 18 minutes per game in the team's playoff run and was coach Budenholzer's second-most used option off the bench, averaging 8.8 points and five rebounds.

Akin to P.J. Tucker, Portis is a gritty player who was much beloved by his teammates and fans alike in Milwaukee this season. While the Bucks will want him to pick up his player option with the franchise, Portis may choose to test the 2021 NBA free agency to see what kind of money could be on the table from other teams.

He is a reliable three-point option, draining 47% of attempts during the regular campaign and can be utilized in a small-ball lineup or as a power forward backup. Considering he only earned $3.7m this year, Portis could be in for a very big payday in the offseason.

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#2 Blake Griffin (Unrestricted Free Agent)

The Brooklyn Nets picked up Blake Griffin midseason

After a frustrating time in Detroit, Blake Griffin looked like a new man after moving to the Brooklyn Nets midseason. He has arguably become a more rounded power forward, able to shoot the three-ball at a success rate of 38% in the playoffs and drive to the basket with intelligence rather than all-out athleticism.

Not only that, but he has returned to dunking the ball with the kind of ferocity NBA fans were used to seeing in his LA Clippers days.

Blake Griffin takes flight and throws it down hard! 💥Nets up in Q2 on TNT. #NBAPlayoffs pic.twitter.com/uXjEKgyeP7

— NBA (@NBA) June 8, 2021

Griffin could be a hugely valuable pick up for any team in the 2021 NBA free agency market. He has vast playoff experience and has improved his defensive solidity, at times frustrating Giannis Antetokounmpo in their postseason matchup, and is an aggressive rebounder.

Although the 32-year-old is coming towards the end of his athletic prime, he has improved his saviness on both ends of the court to make up for his aging body.

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#1 Kelly Olynyk (Unrestricted Free Agent)

Houston Rockets versatile big man Kelly Olynyk

Kelly Olynyk is likely to be one of the more intriguing players available in the 2021 free agency window. The 30-year-old is set to become an unrestricted free agent this summer, though the Houston Rockets do have full bird rights for him, therefore have an easier path to re-sign him or create a sign-and-trade deal.

Olynyk's future will largely depend on how the Rockets want to construct their roster going forward. As one of the worst teams in the league last year, it seems foolish to offer the versatile forward a long-term contract if they want to keep aside salary space to help re-build.

While they could offer him a shorter deal on big money, Olynyk could be swayed if a contending outfit comes in for him with a sizeable alternative.

After moving to the Rockets midseason, Olynyk excelled with more of the attention and more shot-making responsibility. In 27 games for the franchise, he averaged 19 points, 8.4 rebounds and 4.1 assists, as well as grabbing 1.4 steals per contest. His shooting statistics after moving were elite, connecting with 54% of field-goal efforts and almost 40% of threes.

If organizations believe he is able to uphold these numbers and continue his improved defensive ability, there will be plenty of interest for Olynyk this summer.