Christian Horner admits Red Bull "didn't realise how quick" Daniel Ricciardo was when they picked him to succeed Mark Webber in 2014.
Christian Horner admits Red Bull didn't realise just how quick Daniel Ricciardo is
Australian has out-performed Sebastian Vettel thus far; Ricciardo leads 5-1 in qualy and race results over World Champion in 2014
By William Esler