With top two running backs Darren McFadden and Mike Goodson slowed this week by sprained right ankles, the Raiders may need to rely on their passing game when they visit the Baltimore Ravens.

Palmer threw the ball 61 times last week against Tampa Bay as the Raiders (3-5) were forced to play catch-up in the second half after losing McFadden and Goodson to the injuries. Neither back practiced Wednesday and their status remains in doubt for Sunday’s game against the Ravens (6-2).

“We’ve got a plan in place if either or both of those guys are not able to play,” coach Dennis Allen said.

That likely will involve lots of passing with no other proven halfback on the roster. Palmer set a career high in attempts in last week’s 42-32 loss to Tampa Bay, completing 39 passes for 414 yards, four touchdowns and three interceptions.

With McFadden out for the entire second half, Goodson getting hurt in the fourth quarter and Oakland falling behind by 18 points, the Raiders ran the ball just three times in the second half — their fewest in eight years.

“You got to adjust to what your health is of your team, but you know it’s a team that’s had some yards rushing on them, especially the last couple of weeks,” Palmer said. “It’s very odd. I have never seen that before in my career. So, there are some things we want to take advantage of in the run game.

“But you can’t be one-dimensional at the same time, too, and throw it and throw it. We’ve got to figure out a way to get Darren back as quickly as possible and maybe have a selected or limited game plan for him or Marcel (Reece) or whoever is going to be back there.”

Palmer is quite familiar with the Ravens, having spent the first eight seasons of his career in the AFC North with Cincinnati. Palmer’s nine regular season wins as a starter against Baltimore are the most of any quarterback.

He has completed 61 percent of his passes for 3,202 yards, 15 touchdowns, 11 interceptions and an 84.5 passer rating in those games. Ravens linebacker Terrell Suggs said Palmer looks as good as he did with the Bengals and when the two faced off in college when Suggs was at Arizona State and Palmer starred at Southern California.

“I don’t fear any quarterbacks, but I’m always worried when I play Carson Palmer,” Suggs said. “Me and him come from the same draft class, 2003. This guy has kind of tortured me through all my college and professional career. I’m very aware of the talent. I know he can make every throw. If you ask me, he’s very highly underrated. He’s definitely one of the premier quarterbacks in the league.”

He will likely need to be that way Sunday with Oakland’s running game in the situation it is.

The Raiders chose not to sign another running back this week and will likely go with little-used third-stringer Taiwan Jones or fullback Marcel Reece if McFadden and Goodson can’t play. They also could activate Jeremy Stewart from the practice squad.

“It’s really a next-man-up philosophy and we’re going to have to count on some guys to step up potentially and fill a bigger role,” Allen said. “We’ll know more at the end of the week exactly what we’ve got to do.”

Jones, a speedster drafted in the fourth round in 2011, has been slowed by hamstring, knee and rib injuries during his brief career. He has just 17 carries for 75 yards and three receptions for 29 yards.

He has played just seven snaps on offense all season with one run for 2 yards and he also caught a 4-yard pass on a fake punt.

“Since I’ve been here I’ve waited for him to get his opportunity and it hasn’t worked out and here it is,” Palmer said. “He’ll get his touches and I can’t wait. I mean, he’s so electrifying. He puts his foot in the ground and goes. He wiggles out of hits, he wiggles out of tackles. Can’t wait to throw him the ball, get him in the open field. He’s so much fun to watch at practice it’s, like I said, a long time coming.”

Reece, a converted receiver who excels in the passing game, had his most productive game last week with eight catches for 95 yards and a touchdown. He has 48 career carries for 234 yards and could get time as a single back on Sunday.

“I feel comfortable doing anything in this offense,” he said. “They’ve prepared me a long time ago to do anything in this offense and I’m prepared to do it. Whatever happens on Sunday, whatever they ask me to do I’m going to go do it.”

NOTES: DT Desmond Bryant was a full participant in practice after spending Sunday night in the hospital with an irregular heartbeat. … RT Khalif Barnes returned from a groin injury that has sidelined him since week two and Allen said he would know later this week whether he’d be able to play Sunday. … DT Richard Seymour (knee, hamstring) and CB Shawntae Spencer also missed practice.