"Other things that they may add with him we have to be prepared for, and that is a little bit of a guessing game".
Quarterback Derek Carr obviously will not play in this game, as he is recovering from a transverse process fracture in his back.
Earlier this week, Del Rio indicated that Carr would miss the Baltimore game and possibly up to six weeks but the fourth-year quarterback was cleared for light practice Thursday and Friday and is listed as questionable.
Four years later, the Ravens could face Manuel again. unless Carr makes an unexpected return.
A Ravens' defensive front, missing two of its starters, let Steelers running back Le'Veon Bell run wild in Sunday's loss.
Crabtree has played well when he's been on the field for the Raiders this season.
The Raiders should be at full strength on defense after losing cornerback David Amerson to a concussion in Denver. He's a guy that's always hungry to learn and get better. Conley has been dealing with shin splints throughout training camp and the preseason. He's been ruled out with a foot injury. The Raiders will have to change that in order to be successful and may look to safety Karl Joseph to do it, as he's had good success blitzing off the edge this season. Real Talk: I wasn't excited when the team signed Manuel to be the backup; However, he's here now, and let's hope he's ready to put his past behind him.
Marshawn Lynch is going to get a chance to earn his salary. Could we see receiver Cordarrelle Patterson get a few carries?
The Ravens hold a 6-3 lead in the overall series between the teams, but the Raiders have won the past two meetings, including a 28-27 win at M&T Bank Stadium last season.
Denver Broncos outside linebacker Von Miller, left, sacks Oakland Raiders quarterback EJ Manuel during the second half of an NFL football game Sunday, Oct. 1, 2017, in Denver. Hopefully the Silver and Black can still get a win on Sunday without being close to 100 percent.