Spencer has played in each of the Cowboys' first three games, registering 12 tackles and two sacks. The first word of any injury for the linebacker came after Wednesday's practice, when he stated that "everything" was a health issue –referring to himself, of course.
Spencer dealt with a hamstring injury prior to the start of the season, and missed several practices as a means of playing it safe. At the time, he was worried about it affecting his ability to stay on the field once the games started:
"Pretty much everybody I talk to they talk about not coming back too early because you don't want to risk doing it again because it could re-occur. I don't want to have something like this happen all season."
Six other Cowboys players missed practice on Thursday as well, including punter Chris Jones (knee), safety Matt Johnson (hamstring, back), linebacker Alex Albright (neck), center Phil Costa (back), defensive tackle Jay Ratliff (ankle) and defensive end Kenyon Coleman (knee).
There was a bit of good news on the Cowboys injury front on Thursday though, as safety Gerald Sensabaugh participated for the second consecutive day. Sensabaugh missed all of last week, including the Cowboys' 16-10 win over Tampa Bay on Sunday.