Koji Uehara’s Strikeout Clinches Red Sox’ AL East Title, Kicks Off Huge Celebration at Fenway (Video)

The Red Sox made it official Friday. Boston has gone from worst to first.

The Red Sox, who went 69-93 while finishing in last place in 2012, clinched their first American League East title since 2007 with a 6-3 victory over the Blue Jays on Friday night at Fenway Park. Jon Lester went seven strong innings, and Koji Uehara recorded a five-out save to nail down the win.

Uehara struck out Brett Lawrie to end the ballgame, setting off a massive celebration in front of the hometown crowd. The AL East crown marks Boston’s seventh division title since the start of divisional play in 1969.

Check out Friday’s final out and the ensuing celebration below.