The lack of excitement in the United States Grand Prix should act as a wake-up call for Formula 1 to not become too conservative in 2014, reckon leading paddock figures.

Pirelli is threatening to play it ultra-safe with its tyres next year because it is fed up with the criticisms it has faced in its efforts to produce two-stop races since it returned to F1.

Its current stance for 2014 will guarantee that most races will be similar to the one-stop US GP, unless the FIA steps in and forces multiple stop races through a regulatory change.

Ferrari team principal click here for more