Martinez, Stanton headline Top 10 left fielders right now

J.D. Martinez, Giancarlo Stanton and Ronaldo Acuna Jr. headline MLB Network’s Top 10 left fielders right now About Major League Baseball: Major League Baseball (MLB) is the most historic professional sports league in the United States and consists of 30 member clubs in the U.S. and Canada, representing the highest level of professional baseball. Led by Commissioner Robert D. Manfred, Jr., MLB currently features record levels of labor peace, competitive balance and industry revenues, as well as the most com