Marquez takes pole after leading for virtually the whole session with fellow title hopefuls Espargaro and Luthi completing the Moto2 front row at the Catalunya circuit.
Moto2 title favourite Marc Marquez wowed the crowds in Portugal as he swapped paint with Pons Kalex rider Pol Espargaro on the closing lap of Sunday's third round at Estoril.
Championship leader Marc Marquez leads the way for pole in the Moto2 Grand Prix at Estoril, with Thomas Luthi a close second and Britain's Scott Redding completing the front row.
"The initial crash was bad enough but then I hit Marquez's bike quite hard and I think this is how I broke my left collarbone and also took a big hit on my chest" - Bradley Smith.