Riley La Chance’s three pointer with 1:17 left put Vanderbilt ahead to stay, and the Commodores beat Texas Christian 81-78 Saturday afternoon in the Big 12/Southeastern Conference Challenge. Vanderbilt (8-13) now has won two of three games. LaChance finished with 24 points, Jeff Roberson added 20 and freshman Saben Lee had 11 as the Commodores improved to 5-1 all-time against the Horned Frogs. Vanderbilt returns to SEC action Tuesday night at Kentucky.