Walker finished 11 of 15 from the field. Matt Rose scored 16 points and Marcus Johnson had 13 for the Bulldogs (11-8, 2-4 Southern Conference), who snapped a three-game losing streak. Darius Jones-Gibson added nine points with 10 assists.
Samford shot 52.5 percent from the field and had 19 assists.
Rhett Harrelson hit two 3-pointers in the opening minutes and Western Carolina jumped out to a 12-3 lead. But Samford battled back for a 40-38 halftime lead, and opened the second half on 15-0 run, capped by Rose's 3-pointer, to stretch it to 55-38.