Santonio Holmes, Super Bowl XLIII MVP and founder of the III & Long Foundation is joined by Martenzie Johnson, writer for ESPN's "The Undefeated", on this week's episode as they discuss the importance of Sickle Cell screening and advocacy within sports organizations, as well as their close and personal connections to Sickle Cell Disease and Trait.   Dr. Ahmar Zaidi on Twitter Dr. Michael Callaghan on Twitter BloodStream Media Connect with BloodStream Media: Find all of our bleeding disorders podcasts on BloodStreamMedia.com BloodStream on Facebook BloodStream on Twitter