Yee-ha! BOSTON (Reuters) - The owner of the Boston Celtics <http://rd.yahoo.com/dailynews/nm/sp_nm/inlinks/*http://sports.yahoo.com/nba /teams/bos/> , which has won 16 NBA championships, on Friday said it would sell the storied basketball franchise for $360 million in cash to Lake Carnegie LLC. Boston Celtics LP said the team's sale is subject to NBA approval.