THEMOVE regulars Johan Bruyneel and Spencer Martin break down how Pablo Castrillo upset the favorites on Stage 15's brutal summit finish and what it told us about the ever-tightening GC competition, before previewing Stage 16, which serves up one of the most challenging mountain stages of the race. Listen in to see how the duo thinks the action will play out, who will come out on top, and which riders present the best betting value.