Thomas Drance gets into the Athletic's ranking of the top-10 Canucks prospects, including why Jack Rathbone is 3rd and why Olli Juolevi is 6th. Drancer says pivoting defensively is a big concern with the oft-injured Juolevi

Drance: Canucks will need cost-controlled, top-4 D soon, not sure Woo, Juolevi, Rafferty will be ready