PREVIEW: The Mavs (26-34) will host the Indiana Pacers (40-21) on Wednesday at 7:30 p.m. at American Airlines Center. The game will be televised on FSSW and can also be heard on ESPN 103.3 FM. Additionally, it can be heard on Univision 1270 AM (Spanish). . .This is the opener of a two-game home stand for the Mavs, who will entertain the Memphis Grizzlies on Saturday before embarking on a three-game road trip starting Monday against the Brooklyn Nets. . .The Mavs will be trying to snap a five-game losing streak and are 20-10 at home. . .Because he turns 20 on Thursday, this is Luka Doncic’s final game as a teenager.