Gridiron is a hardcore band from Boston, Massachusetts. They formed in 2009 and have released three full-length albums, the most recent of which is 2019's "Loyalty At All Costs." Gridiron's music is characterized by its aggressive sound, political lyrics, and DIY ethic. They have toured extensively throughout the United States and Europe, and have shared the stage with bands such as Hatebreed, Madball, and Sick of It All.