The NBA playoffs are over but now the manic period of NBA free agency begins. It officially starts off on June 30. There will be some shocking moments and acquisitions as always, in the NBA offseason.Big names may be on the trading block like Damian Lillard. Other players will change teams while seeking new deals with fresh franchises.It is not the most loaded free agent class in recent history. However, there are still plenty of big names that could swap jerseys this season. Let’s take a look at the 20 best free agents this summer:#20 - Gabe Vincent2023 NBA Finals - Game TwoThe Miami Heat will likely spend to bring Vincent back. He became their starting point guard as the Heat made a surprising Finals run.#19 - Jordan ClarksonUtah Jazz v Sacramento KingsClarkson will likely opt out of his $14.2 million player option. He could be a great off-the-bench scorer for a competitor.Basketball Forever@bballforever_The Rockets are interested in Jordan Clarkson. (via Jonathan Feigen)35224The Rockets are interested in Jordan Clarkson. (via Jonathan Feigen) https://t.co/Ol3nEdMAXz#18 - D’Angelo RussellLos Angeles Lakers v Golden State Warriors - Game TwoRussell could return to the Lakers but they will prioritize their other young players ahead of Russell. He shot well last season but was benched in the Western Conference finals after struggling on offense.#17 - Christian WoodSacramento Kings v Dallas MavericksWood is not expected to be the priority for Dallas this offseason as they will focus resources on Kyrie Irving. He averaged 16.6 ppg and 7.3 rpg with the Mavs last season#16 - Rui HachimuraDenver Nuggets v Los Angeles Lakers - Game FourHachimura bumped up his stock with a solid postseason run. He could be looking for a deal of around $20 million per year. He is a restricted free agent. His reported desired contract is a significant raise from the last year of his current deal at $8.4 million.#15 - Russell WestbrookLos Angeles Clippers v Phoenix Suns - Game FiveWestbrook regained some stock with an impressive stretch with the LA Clippers after being traded and dumped by the Lakers. He showed he can still carry a team when needed and can be a contributing piece.#14 - Harrison BarnesSacramento Kings v Portland Trail BlazersBarnes shot 37.4 percent from 3-point range this season with the Sacramento Kings. He could be a veteran presence off the bench for a competitor.#13 - Bruce Brown Jr. 2023 NBA Finals - Game FourBrown boosted his stock by helping the Denver Nuggets to an NBA championship. He can be a great defender and scorer off the bench. He may look to capitalize on his recent success with a bigger deal.#12 - Jakob PoeltlMilwaukee Bucks v Toronto RaptorsPoeltl is a great defender and can provide defensive size, something of a dying breed in the NBA. The Raptors reportedly want to spend to bring him back.#11 - Nikola Vucevic Portland Trail Blazers v Chicago BullsChicago will try to bring back Vucevic. He averaged a double-double and is a great floor-spacing big man. He could maybe garner some interest outside of Chicago.Die-Hard Chicago Bulls Fans@DieHardCBfansNikola Vucevic is expected to sign a 3 year deal worth up to $65 Million with the #Bulls89363Nikola Vucevic is expected to sign a 3 year deal worth up to $65 Million with the #Bulls https://t.co/4mMGaZMYw8#10 - Cameron JohnsonPhiladelphia 76ers v Brooklyn Nets - Game FourJohnson is a restricted free agent and will likely get an offer sheet higher than his current $8.06 million deal. He is a sharpshooter and hit 40.4 percent from 3-point range.#9 - Austin ReavesDenver Nuggets v Los Angeles Lakers - Game FourReaves will get paid this offseason after excelling for the Lakers in the playoffs. LA really want him back but they may struggle to match contending offers the guard will receive in free agency.#8 - Kyle KuzmaAtlanta Hawks v Washington WizardsKuzma opted out of his $13 million player option with the Washington Wizards and will be highly coveted in free agency. He may fit perfectly as one of the new faces of the younger, refreshed Wizards team.Adrian Wojnarowski@wojespnESPN Sources: As expected, Washington Wizards forward Kyle Kuzma has declined his $13 million player option and become a free agent. Kuzma will be one of the marketplace’s most prominent players. A return to Washington on a new deal remains a possibility.213112413ESPN Sources: As expected, Washington Wizards forward Kyle Kuzma has declined his $13 million player option and become a free agent. Kuzma will be one of the marketplace’s most prominent players. A return to Washington on a new deal remains a possibility.#7 - Brook LopezMiami Heat v Milwaukee Bucks - Game TwoLopez got votes for defensive player of the year and was a pivotal player for the Bucks. He is a stretch 5 who can drain 3-pointers and will be a top target this offseason.#6 - Jerami GrantGolden State Warriors v Portland Trail BlazersGrant averaged 20.5 ppg this past season with the Blazers. He may return to Portland if they decide to stay with veteran players and make moves to retain Damian Lillard.#5 - Draymond Green Golden State Warriors v Los Angeles Lakers - Game FourGreen opted out of his player option and will test free agency. The Warriors traded away Jordan Poole which many saw as a sign of Green’s impending return to the Warriors on a new deal.#4 - Khris MiddletonMiami Heat v Milwaukee Bucks - Game TwoMiddleton opted out of his $40.3 million player option and will seek a longer deal. Milwaukee reportedly wants him back as a top priority this offseason to go alongside Giannis Antetokounmpo.Bleacher Report@BleacherReportKhris Middleton declines $40 million player option with the Bucks to become a free agent, per @wojespn21685994Khris Middleton declines $40 million player option with the Bucks to become a free agent, per @wojespn https://t.co/XqnTB4BHGV#3 - Fred VanVleetChicago Bulls v Toronto RaptorsVanVleet averaged 19.3 ppg and 7.2 apg this season in Toronto. He should garner multiple offers this offseason and may want a new home south of the border.#2 - Kyrie IrvingSacramento Kings v Dallas MavericksIrving is eligible for a 5-year, $272.9 million deal to come back with the Mavericks. He could also take less to join another playoff contender. You never know with Irving.#1- James Harden Philadelphia 76ers v Atlanta HawksHarden can opt in to his $35.6 million player option with the Sixers. He is also rumored to return to the Rockets.