Grant Arthur Dayton (born November 25, 1987) is an American professional baseball pitcher who is a free agent. He has played in Major League Baseball (MLB) for the Los Angeles Dodgers and the Atlanta Braves. He made his MLB debut in 2016. Dayton was drafted by the Florida Marlins in the 11th round of the 2010 MLB draft out of Auburn University. He was traded to the Dodgers in 2015 in exchange for Chris Reed. He was claimed off waivers by the Braves in 2017.