PREVIEW: The Mavs (20-23) entertain the San Antonio Spurs (25-20) on Wednesday at 7:30 p.m. at American Airlines Center. The game will be televised on FSSW and also can be heard on ESPN 103.3 FM. Additionally, it can be heard on Univision 1270 AM (Spanish). . .The Mavs have won two of their last three games, but enters the contest against the Spurs following a 119-114 loss at home to the Golden State Warriors this past Sunday. . .Luka Doncic had 26 points, six rebounds and five assists in the game against the Warriors. That’s four straight games in which he’s scored at least 25 points and ties him with Dajuan Wagner for third place in that category for the rookie with the most consecutive 25-point games.