It's official: Daisuke Matsuzaka is a member of the Boston Red Sox.
Red Sox general manager Theo Epstein confirmed to NESN that the i's have been dotted and t's crossed and the agreement is complete. Major League Baseball has also OK'd it. The Red Sox will hold a press conference at 5 p.m. at Fenway Park to introduce him.
We'll have live coverage of the press conference and photos and video soon after it ends.