data-mm-id=”_rx4kmaux9″>The Boston Celtics are going out sad. A team many considered to be title favorites heading into the postseason has gotten embarrassed in three straight games by the Miami Heat and are on the brink of elimination without even putting up a fight. There is plenty of blame to go around but the primary fall guy is Joe Mazzulla. Erik Spoelstra has put on a coaching clinic and run circles around Mazzulla during the Eastern Conference Finals, but more importantly Mazzulla was unable to get his players to show up to the most important games of the season. It's one thing if everybody played hard but Spoelstra's ability to amplify weaknesses and mitigate strengths of opposing rosters won the day. It's quite another when the Celtics' very decorated group…