The Nets signed and then waived 2021 second-round pick RaiQuan Gray, according to the official transaction log at RealGM.com. The No. 59 overall pick in last year’s draft out of Florida State, Gray signed a G League contract and spent his first professional season with the Long Island Nets, Brooklyn’s affiliate. In 26 regular season NBAGL games (22.8 MPG), the 6’8″ forward averaged 6.3 PPG, 6.4 RPG, and 3.0 APG on .441/.240/.821 shooting. The Nets still held Gray’s exclusive NBA rights entering this offseason. However, teams are required to submit a tender – essentially a non-guaranteed one-year contract – to…