In baseball, a switch hitter is a player who bats both right-handed and left-handed, usually right-handed against left-handed pitchers and left-handed against right-handed pitchers, although there are some exceptions.
Image: José Reyes on September 23, 2012 (cropped)
Image: José Reyes on August 10, 2015
In baseball, a switch-pitcher is an ambidextrous pitcher who is able to pitch with either the right or left hand from the pitcher's mound.
Pat Venditte pitching left-handed for the Oakland Athletics in 2015.
Venditte pitching right-handed for the Staten Island Yankees, Short-Season A affiliates of the New York Yankees, in 2008