6. Ken Griffey Jr. (630 homeruns)
Griffey grew up in Cincinnati, Ohio and his father, Ken Griffey Sr., played for the Cincinnati Reds. During his years in the Moeller High School, Griffey was recruited by a MLB scout for his exceptional batting and defense skill. Griffey is a fan favorite and a popular player throughout his major league career. He also achieved widespread public recognition after signing lucrative advertising deals with Nintendo and Nike.