Mavericks players Dereck Lively Jr. and Naji Marshall go against each in this Heads Up Challenge presented by Chime. DALLAS MAVERICKS on Social Media: ► Follow us X: http://www.twitter.com/dallasmavs ► Like us Facebook: http://www.facebook.com/dallasmavs ► Follow us Instagram: http://www.instagram.com/dallasmavs ► Follow us TikTok: https://www.tiktok.com/@dallasmavs For more updates check us out on Mavs.com: https://www.mavs.com