Has Boston won all 4 majors?

Has Boston won all 4 majors? Since the turn of the century, Boston’s professional sports teams have won 12 championships: six by the Patriots (Super Bowls XXXVI (2001), XXXVIII (2003), XXXIX (2004), XLIX (2014), LI (2016), and LIII (2018)), four by the Red Sox (2004, 2007, 2013, and 2018) and one each by the Celtics (2008) and the Bruins (2011)

Since the turn of the century, Boston’s professional sports teams have won 12 championships: six by the Patriots (Super Bowls XXXVI (2001), XXXVIII (2003), XXXIX (2004), XLIX (2014), LI (2016), and LIII (2018)), four by the Red Sox (2004, 2007, 2013, and 2018) and one each by the Celtics (2008) and the Bruins (2011)