Johnson, who is still listed as questionable for Monday's game with a lower back contusion, was held of practice for the third straight day on Friday and if he can't practice on Saturday, Johnson will have gone an entire week without practicing with his team.
Bucs head coach Jon Gruden said the team wouldn't know whether or not Johnson could go until game time, which is 9:00 p.m. Monday.
"We'll announce (the decision) at game time," Gruden said after Friday's practice. "We won't speculate right now. We'll see how this situation unfolds. We'll know 9 o'clock Monday whether or not he's going to be the starter.
"He felt much better yesterday. For whatever reason, he didn't feel as good today. But we're going to remain optimistic."
If Johnson can't go Monday night, backup QB Shaun King, who is 14-7 as a starter, will play in his place. King has taken the majority of the reps in practice this week.
In other injury news, Tampa Bay backup middle linebacker Nate Webster returned to practice after a two-day absence. While he's still listed as questionable for Monday night's game, the team expects Webster to play against Pittsburgh.
PewterReport.com has the Bucs-Steelers updated injury report listed below.
BUCS-STEELERS INJURY REPORT:
Probable (Player has a 75 percent chance of playing)
Questionable (Player has a 50 percent chance of playing)
Doubtful (Player has a 25 percent chance of playing)
Out (Player will not play)
QB Brad Johnson (right lower back contusion) – Questionable
LB Nate Webster (right knee sprain) – Questionable
S John Lynch (neck strain) – Probable
DE Ellis Wyms (right ankle sprain) - Probable
RB Amos Zereoue (thumb) – Questionable
LB Kendrell Bell (abdomen) – Probable
RB Jerome Bettis (knee) – Probable
LB James Farrior (shoulder) – Probable
WR Hines Ward (hamstring) - Probable
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