Today in Celtics history, James "Jim" Francis Xavier O'Brien – son-in-law of Hall of Fame coach Jack Ramsay and eventual Celtics coach himself – was born in 1952.

The Sixers are going to hire former head coach Jim O'Brien as an assistant coach on Brett Brown's staff, a league source confirmed to CSNPhilly.com's Jessica Camerato. FOX29's Howard Eskin was the ...