MIAMI, FLORIDA - MAY 13: Dwight Howard #39 of the Philadelphia 76ers in action against the Miami Heat during the first quarter at American Airlines Arena on May 13, 2021 in Miami, Florida. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and or using this photograph, User is consenting to the terms and conditions of the Getty Images License Agreement. (Photo by Michael Reaves/Getty Images)

The Los Angeles Lakers signed four players on the first day of NBA free agency, all of which had a former stint with the team at one time or another.