The Boston Red Sox have turned into a perennial powerhouse since the turn of the century. Since 2000, no team has won more World Series’ than the Red Sox’s four titles. The Red Sox are constantly fighting for yet another AL pennant on their quest to win another World Series ring. The Red Sox are led by former MVP’s Mookie Betts and JD Martinez, and the two of them look to keep the winning tradition up. Shop our authentic selection of autographed Boston Red Sox collectibles & memorabilia including signed baseballs, photos, jerseys, bats and more. Certified Authentic.