Some players on the San Francisco 49ers would like Jim Harbaugh to be replaced as head coach, according to Deion Sanders.

"They want him out. They're not on the same page," Sanders said. "I really want to know if they're really playing for the head coach. I got a question with that. Are you really down with your head coach, San Francisco 49ers? Because the way it looks and what I'm hearing, you're really not down for your head coach. And that's a problem.

"They really got some problems that we hear rumblings. We all know people inside locker rooms."

Harbaugh was asked about those comments during his Monday press conference.

"Personally, I think that's a bunch of crap," said Harbaugh.

Sanders didn't specify which players he spoke to, but he was involved with Michael Crabtree early in his career.

Ian Rapoport also reported that grumblings about Harbaugh are getting "louder and louder" because he treats his players like "children."

The San Francisco 49ers returned to their roots and emphasized the run in their Week 4 win over the Philadelphia Eagles.

"It’s who we are and I’m happy to be back to that," said right guard Alex Boone. "That is our identity, and we need to run the ball like that every week. It’s no surprise, and it was a good day for Frank and a good day for the offensive line, and a great day for Kap. A win is a win." 

The 49ers had been throwing the ball a lot, using four and five-receiver sets.

"I just think as a team we’ve got so many weapons," said Frank Gore. "I think we’ve just got to do whatever it takes. Coach G-Ro calls a pass or a run, we’ve just got to fight for each other and get it done. We’ve got to talk and then do it. We’ve just got to go out there and do it. 

"It was a tough game, but a great win. Philly is a great team. With our backs against the wall, it was a must-win." 

Greg Roman wants the San Francisco 49ers' offense to be more fluid in Week 4.

The 49ers gave Frank Gore just one carry in the entire second half.

“With what [the Cardinals] were doing going into the game, I mean, they were selling out, like, full, waving-the-flag selling out to stop the run,” Roman said Thursday. “You always want to get Frank involved, but again, you’ve got to kind of weigh how much, when and how. And then you’ve got to factor in everything that you think is going to happen and then everything that is actually happening.” 

The 49ers had a 14-6 lead at halftime.

“So, you got to be fluid with it,” Roman continued. “I think, for example last week, we had a plan that was different than the one we utilized early in the game and the other plan was working pretty good. So, shoot, we’re not getting to that other plan. And that’s pretty much every week, to be honest with you.” 

Vernon Davis missed Week 3 with a deltoid ligament injury in his left ankle and will be a game-time decision for Week 4 against the Philadelphia Eagles.

Davis was initially told he would miss 2.5 weeks with the injury.

"It feels a lot better than last week," he said.

Davis has practiced in a limited fashion all week and was listed Friday as questionable.

Jim Harbaugh and Greg Roman competed against Chip Kelly while they were in the Pac-12 and again in the NFL, but they shared ideas after the former two were hired by the San Francisco 49ers.

The 49ers host the Philadelphia Eagles this Sunday.

“(They’re) two guys I have great respect for,” said Kelly, the former Oregon coach, in a conference call Wednesday morning with Bay Area reporters.

“Greg has come up to visit when I was at Oregon and when they went to the 49ers. Obviously, when he was at Stanford and I was at Oregon, we didn’t share any notes on anything. But when they got to the League, Greg came up once and visited with us. And we shared ideas. And I had an opportunity during an open date when I was at Oregon in-season (2012) to go down and visit with those guys. Two guys I have great, great respect for -- two really good football coaches.”

The 49ers are using more wide receivers this season.

“They’re a little bit more exotic than they were even at Stanford,” Kelly said. “I think maybe because they have more time with their players, and they got smart players on the offensive side of the ball. I’ve had a lot of respect for Jimmy and Greg Roman going against them because they can scheme up the run game as good as anyone I’ve ever seen.”

The San Francisco 49ers have been outscored in the second half of their three games to begin the 2014 season by a combined score of 52-3.

The 49ers were up 14-6 at halftime against the Arizona Cardinals in Week 3 and ended up losing by a final score of 23-14.

“No, I don’t [understand],” Jim Harbaugh said. “We’ve just got to play better. We’re not playing good enough right now.” 

The 49ers have been heavily penalized over the past two weeks.

The San Jose police have been quiet about the pending case against Ray McDonald, but they’re saying nothing about what they’ve learned.

“As a professional law enforcement organization we try not to offer a personal opinion on incidents we are responsible for investigating,” officer Albert Morales told Matt Maiocco of CSNBayArea.com.  “To that end, our investigators continue to diligently conduct follow up investigations on this case.  At this time we are not at liberty to share any information that is directly related to this investigation.”

Per Maiocco, McDonald met with investigators for two hours on September 4 at the team’s facility.  At some point, more will be known about the case.  At some point, the 49ers may have to revisit their position.

NaVorro Bowman has begun to sprint and run for the first time since tearing his ACL in the NFC Championship Game.

“I must admit there’s times when I look out of my peripheral vision and see them doing their workouts on the turf over there,” Jim Harbaugh said, via the 49ers site. “It looked like he was moving pretty good, so that’s very positive.”

Bowman is on the Physically Unable to Perform list, which means he's out until at least the seventh week of the season.

The San Francisco 49ers believe Ray McDonald's account of events the night of his party in which he was arrested for domestic violence.

The 49ers claim they are not hiding behind "due process" for allowing McDonald to continue playing while the case is being investigated.

McDonald will reportedly be cut by the 49ers if it is found he's lying about what happened.

LaMichael James was released by the San Francisco 49ers just 29 months after he was the 61st overall pick of the 2012 NFL Draft.

James was given just 139 snaps since drafting him.

James has carried the ball just 41 times in the NFL for 184 yards, adding five receptions for 45 yards while a score in the NFC Championship game as a rookie remains his only NFL touchdown.