A historic Route 66 showdown . . . In a prison?! Two Frontier League rivals, the Joliet Slammers and the Gateway Grizzlies, along America’s most famous highway, will go head-to-head in a matchup rooted in baseball tradition and Route 66 history to celebrate the Centennial. 📝Fans interested in signing up for the early access pre-sale can head to the link in our bio #GetLockedIn🔒 #BHBG #Route66