The Owls are 6-7 overall and 2-2 in conference action. Fitchburg dropped to 2-13 and 0-3.
The Owls jumped out to a 42-27 halftime lead as they shot 53 percent from the field, including 6-for-12 from 3-point range. Westfield freshman forward Tony Collier (Colchester, Vt.) was 4-for-5 from beyond the arc in the first half.
Collier finished the game with 15 points. Junior forward James Ogbunzie (Springfield, Mass.) scored 11 points and sophomore guard Ricky Ogboin (Brighton, Mass.) had 10.
Senior forward Rashad Cope (Roxbury, Mass.) had 22 points and nine rebounds for Fitchburg. Sophomore center Nick Smith (Leominster, Mass.) tied his career high with 17 points and grabbed a game-high 10 rebounds.
Fitchburg out rebounded Westfield, 49-34, but finished with 23 turnovers and shot 37 percent from the field.