Rapid Reaction: Cowboys 31, Rams 7

ARLINGTON, Texas -- A few thoughts on the St. Louis Rams' 31-7 loss to the Dallas Cowboys.

What it means: The remaining optimism the Rams generated with a comeback win against Arizona and a near-comeback last week in Atlanta disappeared in a complete no-show performance.

That the Rams lost this one is not a shocking upset, but the way they were dominated in every facet should force them to take a long look in the mirror.

Stock watch: Up: It’s pretty difficult to find anyone deserving of an up arrow after this one, but maybe it speaks to how dreadful the performance was that the only viable option is punter Johnny Hekker. He continued his strong start with an average of 47.6 yards on his five attempts.

Down: Everyone else. To put the blame on any one unit or player or coach would be unfair. When a team fails to show up like the Rams did in this one, everyone should share in the failure.

Murray goes off ... again: Earlier this week, Rams middle linebacker James Laurinaitis joked that Dallas running back DeMarco Murray might “still be running” after his 253-yard performance against St. Louis in 2011. Well, if Murray did stop, he wasted no time starting again Sunday.

Murray laid waste to the Rams' defense with 175 yards and a touchdown on 26 carries.

Sackless streak destroyed: Entering Sunday’s game, the Rams had managed to make it through the first two weeks without allowing a sack. That looked to be a byproduct of many short passes and facing opponents without dominant pass-rushers.

Dallas quickly proved those suspicions correct, dropping Rams quarterback Sam Bradford early and often. The Cowboys finished with six sacks on the day.

What’s next: Things don’t get any easier for the Rams as they head home for a short week with NFC West rival San Francisco coming to town for the Thursday night game. Hard to call the fourth game of the season a must-win, but if the Rams want to harbor postseason hopes, they’ll need to find some answers in a hurry and take care of business at home.