On this Day in Sports History May 4
MLB
On this day in 2005, the fifth pair of 300 game winners faced off, when Greg Maddux and the Cubs beat Roger Clemens and the Astros, 3-2.
NBA
On this day in 2009, Cleveland Cavaliers small forward LeBron James was named the MVP.
Boxing
On this day in 2013, Floyd Mayweather beat Robert Guerrero in a unanimous decision to retain his WBC Welterweight Belt and remain undefeated.