Kevin Durant‘s four-year contract extension with the Nets, which he signed last year, went into effect the day after he made his trade request and includes advance payment language that required the team to cut him a hefty pay check on July 1, Marc Stein writes in his latest Substack story. As we noted earlier today in our list of this season’s highest-paid players, Durant is owed a $42,969,845 base salary in 2022/23. According to Stein, the star forward’s contract calls for him to receive 50% of that figure ($21,484,922) in a pair of installments on July 1 and October…