How’d we miss this? Last August, on a Philly-based podcast, “Rights to Ricky Sanchez,” Billy King was asked about the 2013 Boston trade, which the podcast host suggested was the “seminal worst trade of all time.” (No argument here!) But the host, Spike Eskin, also acknowledged that the Nets had a plan when they sent three firsts, all unprotected, and a swap of firsts to Boston back then: open a two-year title window, win a lot of games and hope the picks weren’t too high. Then with Paul Pierce and Kevin Garnett off the books in 2016, they would make a big free agent splash and sign (wait for it) Kevin Durant!