On Rock Chalk Sports, Sean and Dan preview the 122nd edition of the Border War. Hear from KU Defensive Coordinator DK McDonald. Keep tabs on other happenings in the sports world in Sports Stock Market. Also, Nick Springer from the Kansas City Sports Network joins the show in-studio to give his take on KU/Mizzou. Plus, watch the most recent episode of The Jayhawker where Nate Bukaty sits down with KU quarterback Isaiah Marshall. Sean and Dan also give game picks for this weekend's action in college football and the NFL.