He also co-hosted "The Collision: Where Sports and Politics Collide on Pacifica Radio" with former NBA player Etan Thomas.

[5][7] Zirin has published Welcome to the Terrordome: The Pain, Politics, and Promise of Sports, and A People’s History of Sports in the United States, a sports-related volume in the manner of Howard Zinn's A People's History of the United States series for The New Press.

[9] Zirin is also the published children's book author of “My Name is Erica Montoya de la Cruz” (RC Owen).

[14] On June 2, 2010, writing for The Nation, Zirin justified the decision of the Turkish U-19 soccer team to boycott a match against Israel.

He described the Gaza flotilla raid as an act of state terror committed by the Israeli government and proposed a boycott of Israel.

[15] On October 6, 2011, during a live interview conducted on the sports cable television network ESPN, Zirin referred to Hank Williams, Jr. as racist and proslavery after Williams, the writer and singer of ESPN's then-Monday Night Football theme song, made a political statement comparing multiracial US President Barack Obama to Adolf Hitler.