SANTA CLARA -- B.J. Daniels is officially part of the competition for the 49ers' No. 2 quarterback job.

Coach Jim Harbaugh said Sunday that Daniels will begin receiving equal repetitions to fellow backups Colt McCoy and Scott Tolzien.

It initially appeared that Daniels wouldn't participate in the team's afternoon practice. He spent the beginning of the session in the weight room, then trotted out to the field without pads and watched the end of individual drills. He headed to the locker room when team drills began, which was also when practice was closed to the media.

But the Sacramento Bee reported that Daniels did eventually suit up and participate in practice.

KANSAS CITY, MO - AUGUST 16:  Quarterback B.J. Daniels #5 of the San Francisco 49ers throws a pass down field against pressure from the Kansas City Chiefs
KANSAS CITY, MO - AUGUST 16: Quarterback B.J. Daniels #5 of the San Francisco 49ers throws a pass down field against pressure from the Kansas City Chiefs defense during the second half on August 16, 2013 at Arrowhead Stadium in Kansas City, Missouri. The 49ers won 15-13. (Photo by Peter Aiken/Getty Images) ( Peter Aiken )

The rookie emerged as a candidate for the primary backup spot to Colin Kaepernick after leading a game-winning touchdown drive against Kansas City on Friday, the 49ers' first touchdown drive of the exhibition season.

"It was an encouraging performance," Harbaugh said. "If someone does a good job, you give them a little more."

McCoy and Tolzien have been the leading candidates to serve as Kaepernick's backup, but neither has impressed during the first two exhibition games. Tolzien has completed 18 of 34 passes for 188 yards and an interception. McCoy is 6 of 13 for 76 yards and two picks.

Meanwhile, Daniels guided San Francisco on a 13-play, 90-yard drive that resulted in a 14-yard touchdown pass to Chuck Jacobs to provide the difference in a 15-13 win over the Chiefs. He completed 6 of 9 passes for 72 yards in his NFL quarterback debut.


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Daniels -- who has also seen work at running back and kick returner -- seemed pleased with the idea of the increased workload when he spoke before practice but said he's too busy to worry about his number of reps.

"I haven't been keeping track," Daniels said. "I'm flying around the field, doing special teams and things like that. It's not ever something I've really focused on."

  • Harbaugh said he plans to play Kaepernick a little longer in the 49ers' third preseason game Sunday against the Minnesota Vikings. He's played only one series in each of the team's first two games, throwing six passes total.

    Harbaugh didn't say how much longer that will be. He'll have an idea of how much he wants him to play, but the actual decision will "be a feel."

    In his limited action, Kaepernick has completed 5 of 6 passes for 35 yards and rushed once for 6 yards. Both of his drives resulted in field goals.

  • Harbaugh was asked if the decision to put A.J. Jenkins on the 53-man roster could be influenced by his status as a 2012 first-round pick or the salary cap hit the team would take by cutting him.

    "Things factor in, but long-standing football hasn't changed since its inception. The best players make the team," Harbaugh said.

    Jenkins was held without a catch Friday and has just one in two exhibition games. He did make a nice 21-yard grab against the Chiefs, but the play was negated by a holding penalty.

    Harbaugh said the 49ers will take a look at Jenkins at kick returner as they attempt to evaluate if he deserves to make the team.

  • Rookie Eric Reid seems to be inching closer to earning the starting free safety job.

    Craig Dahl started for the second straight game Friday, but Reid's continued impressive play led Harbaugh to say the first-round pick is set to see time with the first-team defense.

    Reid said he's ready for the opportunity.

    "That's something I'm looking forward to," Reid said. "That's always been my goal since I was a little kid -- to play in the NFL. So the time is here, they're giving me my opportunity. I have to take advantage of that."

  • Wide receiver Quinton Patton has been fully cleared and will begin catching passes at practice. He had been in a blue noncontact jersey since suffering a finger injury on his left hand.

  • Harbaugh confirmed that wide receiver Mario Manningham (torn left knee ligaments) will begin the season on the physically unable to perform list.

  • Other players who did not participate in Sunday's practice were: safety Darcel McBath, safety Bubba Ventrone, linebacker Nate Stupar, linebacker Patrick Willis, tight end Vance McDonald and defensive tackle Lamar Divens.

    Sunday's exhibition

    Minnesota (0-2) at 49ers (1-1), 5 p.m. NBC