The Boston Red Sox are the American League East champions.

Thanks to a Toronto Blue Jays loss to the Baltimore Orioles on Wednesday, the Red Sox clinched their first division title since 2013 in what will be the last season of David Ortiz's legendary career.

After losing in heart-breaking fashion to the New York Yankees, thanks to a Mark Teixeira walk-off grand slam, the Red Sox shrugged off the loss and headed to the locker room to get the party started.

Here are some of the best behind-the-scenes photos from a bubbly Red Sox champagne celebration in honor of winning the division crown.