Adam Dunn is a Major League Baseball first baseman/outfielder. He bats left handed throws right handed. At six feet, six inches in height and weighing 275 pounds, Dunn was given the nickname "Big Donkey" and is one of the National League's most feared sluggers. On July 4, 2009, he became the 123rd player to hit 300 career home runs. Adam Dunn has hand signed this Cincinnati Reds 8x10 Photo. Certificate of Authenticity from Athlon Sports.