NBA referees have had better weeks. On Thursday, the league admitted that Blake Griffin should not have been given a technical foul – his second of the game, resulting in an ejection – in the Christmas matchup between the Los Angeles Clippers and Golden State Warriors. On Tuesday, the league announced that Dallas forward Shawn Marion should have been called for a foul on his “blocked shot” on Minnesota’s Kevin Love at the end of Monday’s 100-98 win by the Mavericks. [Read