BALTIMORE -- Tempers flared but no fights erupted in the 49ers' 23-3, exhibition-opening loss to the Baltimore Ravens. Can these clubs keep the peace in three straight days of practice, starting Saturday, at the Ravens' facility?

"I imagine it's going to be pretty physical," Ravens fullback Kyle Juszczyk said.

Coach Jim Harbaugh likely won't mind, as long as his 49ers push back better than they did Thursday, when he said "we got pushed around."

As unusual as it is to practice against the same team after an exhibition, players on both sides seemed receptive to working against nonteammates for a change. Then again, fireworks could erupt, as in the first quarter when 49ers wideout Stevie Johnson had to be restrained by tight end Vernon Davis after a late hit by cornerback Jimmy Smith.

Ravens running back Ray Rice complimented the 49ers heading into what he thinks will be a "great time" of joint practices. "They can easily be Super Bowl champions this year," Rice said. " ... I'm glad it's only practice (this weekend). But maybe we'll meet them in the Super Bowl."

Been there, done that. Two seasons ago, the Ravens held off the 49ers 34-31 in Super Bowl XLVII. They reunited Thursday night for a Ravens rout of a substitute-laden 49ers squad.

"We definitely have work to do, regardless of who played and who didn't," said safety Eric Reid, who along with outside linebacker Ahmad Brooks were the only returning starters in the defensive lineup. "We look forward to playing against these guys for three days and to work on those mistakes."


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Colin Kaepernick is eager to further test the Ravens after playing Thursday's first series only (five handoffs and a 17-yard completion to Vance McDonald).

"You go against (49ers teammates) for so long, you start to pick up on players' tendencies on your own team, and they pick up on yours," Kaepernick said. "It'll be different with (the Ravens), where you have a little bit of unknown how players will react to different things."

Ravens defensive tackle Brandon Williams has simple goals for these practices: "Getting better as a team and kicking butt."

  • Rookie running back Carlos Hyde's impressive debut (five carries, 39 yards) came with a splint on his right hand's middle finger. Hyde said he didn't think twice about Monday's fingernail injury and that he was just happy to see game action for the first time since Ohio State's Orange Bowl loss to Clemson.

    As impressive as his opening-series runs were, Hyde boosted his stock on the next possession, when he correctly blocked a blitzing defender and allowed Blaine Gabbert to complete a third-down conversion pass.

    "That's part of my job," Hyde said. "Here at the 49ers, if you can't pass protect, you're not going to play. I saw the guy coming and felt I did a good enough job. He got nowhere near the quarterback, and the quarterback completed the pass for a first down."

  • Defensive tackle Tank Carradine relished his first game since tearing his right knee's anterior cruciate ligament in November 2012 at Florida State. He was shocked to play three times as many snaps as he expected (60 instead of 20), a byproduct of the defensive line's widespread injuries.

    "I realize I've got to get in better shape, and that will come along," Carradine said. "I was a little nervous because people expect this and that." Carradine had eight tackles and a first-quarter sack.

    How did he plan to spend Friday's day off? "In an ice-cold tub," Carradine said.

    The only player to see more action was outside linebacker Corey Lemonier, who played 70 snaps on defense and 14 on special teams. The 49ers were so hard-pressed for linemen that fullback Will Tukuafu (a former defensive lineman) saw four defensive snaps.

  • Right guard Alex Boone remains entrenched in a contract holdout, and neither side has budged after Thursday's exhibition, according to a source. Joe Looney started in place of Boone.

  • Rookie Jimmie Ward had to adjust between his roles as a starting nickel back in the slot and safety. Said Ward: "I feel at nickel you need more patience, and at safety they depend on you on some plays to come down and stop the run." Ward played 32 snaps on defense (40 percent).

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