ESPN handed out four grades on the Warriors’ offseason and the only A went to De’Anthony Melton. Zach Kram gave Melton the top mark on two years and $11 million with a player option, pointing to the plus-3.9 net rating Golden State posted with him on the floor last season, second on the team behind Jimmy Butler III. Al Horford’s two years and $14 million got a B+, with Kram noting Horford averaged 9.3 points on 59 percent true shooting from Christmas through the end of the year at 40 years old. Kristaps Porzingis landed a B- on two years and $40 million, graded down on availability after 32 games last season, with only $3 million of the second year guaranteed. Draymond Green’s one year and $27.7 million drew a C, the baseline grade for a deal that matched the exact number he opted out of to chase LeBron. Gary Payton II’s minimum return was not graded. Golden State spent the summer swinging at LeBron and Anthony Davis and ended it running back the same roster. ESPN’s read is that the...