Breaking down the upcoming Vikings-Colts game with playoff implications for both teams. 00:25: Andrew Luck is on pace for a career-worst sack total and the Vikings' rushers are surging. 9:45: Sam Bradford dealing with a right shoulder injury. What to make of Adrian Peterson's return to practice? 24:30: DT Tom Johnson talks the start of his career in Indy as an undrafted free agent and the time they sent him to the now-defunct NFL Europe. 28:00: Andrew and Matt pick their 'X factors' for Sunday's game vs. the Colts.