EAST RUTHERFORD -- The vast majority of the 76,877 paying customers weren't the only ones to leave early and miss the end of this disastrous 51-17 Giants loss to the Rams on Sunday afternoon at MetLife Stadium.

John Mara, the man who will make most of the decisions regarding this team, left his box with seven minutes to go -- a rare early departure for a co-owner who usually watches every minute.

"No," Mara said when asked if he had anything to say about team's performance. "I think it speaks for itself, doesn't it?"

Mara kept walking, presumably to the team's locker room. The Giants haven't given up this many points in a home game since Mara was a 10-year-old boy -- a 52-21 loss to the Cleveland Browns in the season finale in 1964. Yes, this was a truly historic performance, but not in a good way.

So how will Mara react? The team is now 1-7 with half the season to go, but given the injuries and the growing evidence that the players have given up on head coach Ben McAdoo, things aren't likely to get better for McAdoo or general manager Jerry Reese.

"I support both of them," Mara said three weeks ago when asked about his team after the NFL owners meetings. "You have to. It's hard enough to win in this league. If the general manager and the head coach don't have the support of ownership, it makes it almost impossible."

Before the game, fans in the parking lot and the stands at MetLife Stadium were demanding action. One held aloft a "FIRE MCADOO" sign before kickoff, but the true measure of their anger came by the quick exit in the third quarter. Then again, the team was down 38 points.

And the team's unhappy owner wasn't far behind them.

Steve Politi may be reached at spoliti@njadvancemedia.com. Follow him on Twitter @StevePoliti. Find NJ.com on Facebook.