By Andrew McCarty Ever since he retired from the game of football in shocking fashion, fans have wondered if Andrew Luck will make an NFL comeback. The latest comments from his former head coach at Stanford suggest he’s done with the game of football. Earlier this week, David Shaw spoke with Rich Eisen about a potential comeback. “He knows himself, he’s comfortable with himself,” Shaw said on the Rich Eisen Show. “The rest of us would love to see him go out there and sling it around, but his career is too short, obviously, but it was an amazing experience for him and now he’s moved on.” Shaw m…