Austin Rivers joins SportsCenter to speak on what criteria Luka Doncic needs to satisfy in order to be considered a serious NBA MVP candidate and Ja Morant willing the Memphis Grizzlies to an undefeated 4-0 record since his return. ☑️ Subscribe to ESPN+: https://plus.espn.com/ 📱Get the ESPN App: http://www.espn.com/espn/apps/espn 🏀 Subscribe to NBA on ESPN on YouTube: http://bit.ly/2yxs3Og ☑️Subscribe to ESPN on YouTube: http://es.pn/SUBSCRIBEtoYOUTUBE ☑️Watch ESPN on YouTube TV: http://es.pn/YouTubeTV #nba #espn #memphisgrizzlies #dallasmavericks