Jon Kitna was in a Florida court room on Thursday morning ... guaranteeing a judge that if his son was granted bail in his child pornography case, the former NFL star would make sure the 19-year-old returned for every required hearing going forward.
Jon wore a tie and a checkered suit for the proceedings -- which went down less than 24 hours after Jalen Kitna was arrested in Gainesville for possession of child porn -- and he ensured over and over again that he and his wife would follow every rule and regulation imposed on their son if he was released from custody Thursday.