The Rams built a 12-point lead in the first half and held San Jose State to just 19 second-half points. Colorado State used a 14-2 run sparked by a pair of Daniel Bejarano 3-pointers early in the second half to put the game out of reach.
Colorado State (17-2, 4-2 Mountain West) got 12 points each from J.J. Avila and Joe de Ciman. The Rams shot 40.4 percent from the field for the game (21 of 52) and converted 6 of 21 from long range.
San Jose State (2-16, 0-6) converted just 10 of 48 attempts from the field and knocked down 4 of 23 from distance. Rashad Muhammad led the Spartans with 12 points. Isaac Thornton contributed 11 points.