Horner: Ricciardo is back to his best

After scoring three grand prix wins during his debut campaign with Red Bull last year, Ricciardo and the team have struggled these past few months, notably with regard to numerous engine issues involving supplier Renault.

Ricciardo and team-mate Daniil Kvyat had a morale boost in Hungary last weekend as they finished third and second behind race winner Sebastien Vettel's Ferrari, with Ricciardo having had a shot at victory before an incident with Mercedes' Nico Rosberg.

Giving Ricciardo an