Filed under: CelticsBlog CelticsBlog Madness By Jeff Clark Mar 15, 2007, 7:00am EDT Share this story Share this on Facebook Share this on Twitter Share All sharing options Share All sharing options for: CelticsBlog Madness Reddit Pocket Flipboard Email Last chance to sign up! The annual tradition continues. Sign up now for the ESPN Tournament Challenge. Group Name: CelticsBlog Madness (group page - this link only works when you are signed in - use the link above to sign up) More From CelticsBlog Bill Russell’s #6 to be retired across NBA Rumor: Robert Williams not available in potential Kevin Durant trade The big man training camp battle Report: Celtics, Nets are “not close to a deal” with Kevin Durant Tatum at his best when playing off two feet Celtics PRIDE podcast: remembering Bill Russell