LOWELL — Tabitha Shaw and Brianne Joslyn both scored 19 points as the Yoncalla girls basketball team stayed unbeaten with a 63-44 nonleague win over Lowell Monday night. Brandi Joslyn turned in a double-double for the Eagles (4-0) with 10 points and 12 rebounds. Brianne Joslyn added six steals and six assists, and Karen Wickman 10 points. Coach Bid Van Loon singled out the defense of Emily Wickman. The Eagles will play Riddle at 6 p.m. Friday in the first round of the Cow Creek Classic in Riddle. YONCALLA (63) — Tabitha Shaw 19, Brianne Joslyn 19, K. Wickman 10, …