The Tri-Valley Little League will host a co-ed softball tournament for adults, 18 and over on Saturday, December 12. The Winter Classic Tournament is one pitch, double elimination at the Tri-Valley Little League fields on Little League Drive in Yucca Valley. The games will start at 9 a.m. The tournament is limited to eight teams. Each team can have a maximum of 12 players, of which at least three must be women. The cost to register is $250 per team, and the deadline to register is December 7. To register, call Julie Alexander at 760-217-1099.