At just 22 years old, Baltimore’s Gervonta “Tank” Davis is already America’s youngest world champion just hours away from his first title defense tonight in London. Check out this SHOWTIME Sports video feature for a brief introduction to Davis’ West Baltimore neighborhood and learn about the unique bond he shares with his city and gym. Davis defends his IBF Junior Lightweight Title on the road against undefeated No. 1 contender Liam Walsh tonight on SHOWTIME at 6 p.m. ET/3 p.m. PT from Copper Box Arena.