AUSTIN, Texas (Reuters) -Aprilia's Maverick Vinales took pole position for MotoGP's Grand Prix of the Americas after smashing the lap record on Saturday.

The Spaniard claimed pole with a time of 2:00.789, beating rookie Pedro Acosta by 0.328 seconds who was followed by Marc Marquez, last year's champion Francesco Bagnaia and Enea Bastianini.