BOSTON -- Less than a decade after tears filled his eyes as he raised Boston's 2008 title banner, Paul Pierce was all smiles as his No. 34 went the TD Garden rafters on Sunday afternoon as part of a jersey retirement celebration following Boston's 121-99 loss to the Cleveland Cavaliers at TD Garden. Pierce is the 22nd number retired in Celtics history. He joined an eight-square banner that already featured the numbers of Dennis Johnson (3), Larry Bird (33), Kevin McHale (32), Reggie Lewis (35), Robert Parish (00), and Cedric Maxwell (31). After raising his jersey, Pierce grabbed the Larry O'Brien trophy from the 2008 Finals and raised it at center court. Fans responded with a sustained "Thank You Paul Pierce" chant. Flanked by his mother, his wife, and his three children, Pierce watched an on-court ceremony that featured members of Boston's ownership and front office, retired Celtics legends, and former coaches and teammates. Wearing a green...