ALAMEDA -- The Raiders are banged up without much time to recover before Thursday night's game against the L.A. Chargers.
Head coach Jon Gruden didn't have many definitive answers regarding injured players during his Monday afternoon press conference, saying the Raiders were waiting on further testing to determine their health status.
Star right tackle Trent Brown had an MRI Monday to determine the severity of a knee injury suffered in the first half of Sunday's 31-24 victory over the Detroit Lions.
Cornerback Daryl Worley has a strained Achilles' tendon the Raiders are optimistic is not torn, though he was also scheduled for an MRI to make sure he's okay.
The Raiders are pessimistic about defensive end Arden Key, whom they fear has a broken foot. He also had some imaging tests scheduled.
Center Rodney Hudson missed the Lions game with an ankle sprain and the Raiders aren't sure if he'll be able to play against the Chargers. He practiced Friday and was active some in pre-game warmups but was ultimately rendered inactive.
Sports
"I don't know how close he was. He gave it everything he could," Gruden said of Hudson. "I don't know his status for this game, either. I'll cross my fingers. He just couldn't push off [the injured ankle]."
Players were given Monday off, but the team had to submit an estimated participation report anyway. Nicholas Morrow showed up there with a groin injury.
Also, the Raiders formally activated cornerback Isaiah Johnson off injured reserve. Linebacker Brandon Marshall was waived in a corresponding move. The veteran was back with the team for less than a week. Fellow new linebacker Will Compton was activated over him and played defense and special teams.
[RELATED: Report: Raiders work out Swearinger for secondary help]
Here's the estimated participation report submitted by the team:
Raiders practice report
MONDAY
Did not practice
C Rodney Hudson (ankle)
DE Arden Key (foot)
LB Nicholas Morrow (groin)
CB Daryl Worley (ankle)
Limited practice
WR Dwayne Harris (ankle)
C Andre James (ankle)
RB Josh Jacobs (shoulder)
S Erik Harris (illness)
DT Johnathan Hankins (foot)
