Frank Robinson Autographed Louisville Slugger Genuine Frank Robinson's signature model baseball bat. Inscribed "586". "R161" is embossed on the knob. Lot 14 guarantees the authenticity of this signature (read auction info for details). One of the most enduring immortals who won MVP awards for the Cincinnati Reds and Baltimore Orioles. In 1975, he became the first African-American manager in American or National League history. After multiple managing jobs, he worked his way up to an executive of Major League Baseball, even serving time as the honorary President of the American League. His number is retired by three Major League clubs and he has bronze statues at three Major League stadiums.