INDIANAPOLIS—Cowering in the dark at the top of the locker room steps, a tearful Andrew Luck reportedly hugged his knees to his chest Wednesday while listening to Colts head coach Chuck Pagano and general manager Ryan Grigson fighting downstairs. “They’ve been yelling for a while, and I’m pretty sure I heard them say ‘Andrew,’” said the visibly distraught quarterback, shuddering as the sound of raised voices echoed loudly in the stairwell.