Dan Campbell joins the media to speak on Lions RB David Montgomery's knee injury. SUBSCRIBE TO OUR CHANNEL: youtube.com/user/CBSSports WATCH CBS Sports HQ: cbssports.com/live Paramount Plus: paramountplus.com FOLLOW US ON: Facebook - facebook.com/CBSSports Instagram - instagram.com/cbssports Twitter - twitter.com/CBSSports #dancampbell #lions #nfl #hopeful #nflplayoffs