Notes: Brooks benched for missing meeting

Ahmad Brooks missed time (again) Sunday due for disciplinary reasons. And more notes on Chris Culliver, Marcus Martin and Mike Iupati, who all left Sunday's game with injuries.

OAKLAND, Calif. - For the second time this year, outside linebacker Ahmad Brooks missed significant playing time for disciplinary issues.

"I must have just forgot we had a meeting," Brooks said.

Brooks was held out of Sunday's 24-13 loss to the Raiders for missing a team meeting Tuesday.

The 49ers' schedule was different this week coming off their Thursday night loss to the Seahawks. On normal weeks, the team has Mondays off and practices Wednesdays, Thursdays and Fridays. Last week, San Francisco practiced Monday and had meetings Tuesday following their long weekend off following the loss to Seattle.

"I’m not the only one that’s ever missed anything. Of course, there’s been other people that’s missed or been late, or whatever," Brooks said. "I’m not going to point fingers. I’ll own up to it. My responsibilities. I wasn’t there. They made their decision. It is what it is. We’ll just go forward from there."

After playing in the first quarter of Nov. 16's win over the New York Giants, Brooks was taken out of the game after saying something to defensive line coach Jim Tomsula. It was the same game Aldon Smith returned from his nine-game suspension, altering the rotation significantly at outside linebacker.

[Related: Raiders loss Harbaugh’s last straw?]

The 49ers missed a pass rush dearly Sunday, when they allowed rookie quarterback Derek Carr to complete 22 of 28 for 254 yards and three touchdowns. He was sacked just once, although it came when he gave himself in the final moments with the win already in hand.

"They did a good job in protection and receivers got separation and he found them. They made plays. They made plays more often and consistently," head coach Jim Harbaugh said.

Brooks was in uniform for the game and not made inactive. Harbaugh said Brooks was available in case of an injury.

Culliver, Martin, Iupati all suffer injuries

Cornerback Chris Culliver left Sunday's game early in the second quarter with an apparent right leg injury. He said in the locker room afterwards he was fine. But the injury is believed to be the same leg he sustained a torn ACL that cost him all of 2013.

"I think he's going to be OK," Harbaugh said.

Mike Iupati suffered an elbow injury late in the first half and returned in the fourth quarter. Joe Looney played left guard in his place.

Rookie center Marcus Martin, who missed the early portion of the regular season with a dislocated kneecap, also left the game late with a knee injury and did not return. The 21-year-old rookie took over the starting job following Week 7, when Daniel Kilgore was lost for the year with a broken ankle.

Martin's prognosis is unknown, but he was seen moving about in the locker room after the game.

[Related: 49ers fall to Raiders in ugly performance]

Next story:

Raiders loss Harbaugh’s last straw?

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