The Cowboys may have just lost the best guard in pro football with a knee injury

[A Quant]

That would be a killer.

Martin went down with a knee injury. Cowboys not saying anything yet.

Not good for Pokes' fans.

[Booya711]

Torn ACL

[ikid2groove415]

Reason why owners don’t like giving out GURANTEE contracts

[chico2663]

man that is tough break

[USCPHILLYGUY]

Tough break. Not many guards come back from that type injury.

Was a nice career

[clockwise1965]

Amazing how many injuries there have already been in preseason

[Booya711]

Tough break. Not many guards come back from that type injury.

Was a nice career

I see what you did here

[jjgold]

Tons of guys getting injured NFL

Going to be a strange year

[Bluehorseshoe]

Tough break. Not many guards come back from that type injury.

Was a nice career

Great news!!! He only hyperextended his knee.

Go Cowboys!!!!