Riley Gossom

Lucas' Riley Gossom splits a pair of Ontario defenders on his way to the basket during the second half Saturday at the O-Rena.

ONTARIO — Riley Gossom was at his best when it mattered most.

A junior guard, Gossom scored nine of Lucas’ 10 fourth-quarter points and the Cubs remained unbeaten with a 53-50 win over Ontario at the O-Rena.