Anthony "Tony" Michael Watson (born May 30, 1985) is a Major League Baseball left-handed relief pitcher for the Pittsburgh Pirates. He was originally drafted by the Florida Marlins in 2003 but chose to attend the University of Nebraska. He is the closer for the Pittsburgh Pirates.

Watson attended Dallas Center Grimes High School in Grimes, Iowa. He was selected in the 23rd round of the 2003 Major League Baseball draft by the Florida Marlins, but he chose to attend the University of Nebraska, where he pitched from 2005 to 2007. In 2005, he had a 6–1 win-loss record and a 2.82 earned run average (ERA) in 23 games (five starts) and in 2006 he went 10–2 with a 2.78 ERA in 17 games (15 starts). Watson was drafted in the 17th round of the 2006 Major League Baseball draft by the Baltimore Orioles, but chose not to sign. In 2007 he went 6–4 with a 4.09 ERA in 15 starts. He was then drafted by the Pittsburgh Pirates in the ninth round of the 2007 Major League Baseball draft and began his professional career that season.

Watson was drafted by the Pittsburgh Pirates in the ninth round of the 2007 Major League Baseball draft. He split 2007 between the State College Spikes and Hickory Crawdads, going a combined 7–2 with a 2.79 ERA in 13 starts. In 2008, he went 8–12 with a 3.56 ERA in 28 starts for the Lynchburg Hillcats and in 2009 he went 0–3 with an 8.22 ERA in five starts for the Altoona Curve. He went 6–4 with a 2.67 ERA in 34 games (nine starts) with the Curve in 2010.