You are probably right about the airing rights, but Spanish Eurosport has adopted Del Toro as a native son,Presumably them having won the exclusive rights to Tirreno in most countries is coupled with a binding agreement to put the race on the main channel.
Alberto Contador mentions him every few minutes almost involuntarily..
Ciccone and Pellizzari both do interviews in Spanish but Berto doesn't love them. Sepp Kuss was a popular interview for a bit, he is nowhere now.
