Luck had moments of doubt about playing again

WESTFIELD, Ind. -- The past 19 months for Indianapolis Colts quarterback Andrew Luck has consisted of right shoulder surgery, a cortisone shot, a failed comeback attempt, a trip across the pond to the Netherlands for rehab, throwing a college-size football and a lot of mental and physical frustration.

And there were times during that stretch where Luck wasn't sure he would reach the point of even playing in Thursday's preseason game against the Seattle Seahawks.

"There were one or two moments where I wondered if I am ever going to be able to do this again?," Luck said Tuesday. " Certainly this (preseason opener at Seattle on Thursday) isn't what I've been working toward the whole time, but…