49ers camp summary (728): Jenkins' busy day

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49ers camp summary (728): Jenkins' busy day

Summary: Receiver Michael Crabtree, who sat out the final 20 minutes of practice Friday with an apparent right ankle injury, was held out of Saturday's work. His injury is not believed to be serious, but it is not known when he is expected back on the practice field. Crabtree did not take part in any portion of practice.

In Crabtree's absence, rookie receiver A.J. Jenkins had a busy day. During the 11-on-11 session, Jenkins made three catches, including a nice grab to end practice. On a previous play, Jenkins failed to hang onto a Scott Tolzien throw that was behind him. But Jenkins made the catch in traffic a short time later on a dart from second-string quarterback Colin Kaepernick.

Injury report: Crabtree did not take part in any portion of practice. Team spokesman Bob Lange, apparently relaying word from coach Jim Harbaugh, acknowledged Crabtree "is working through something." . . . Linebacker Tavares Gooden left practice an hour early with a member of the team's training staff. Gooden did not appear to be injured . . . Guard Joe Looney (foot) and running back Jewel Hampton are on the non-football injury list, while outside linebacker Darius Fleming (knee) is on the physically-unable-to-perform list.

Eye on reps: Will Tukuafu spent the practice at fullback, while Demarcus Dobbs returned to the defensive line after spending the first practice at tight end.

Notable: Quarterbacks Colin Kaepernick and Josh Johnson threw the ball more accurately than the previous day. Receivers Ted Ginn, Kyle Williams and Nathan Palmer made nice catches. Receivers Randy Moss and Brett Swain, and tight end Nate Byham dropped passes. Defensive backs Donte Whitner and Tarell Browm broke up pass attempts.

Quotable: "It'll be pretty easy for all of you to pick out 40 guys that make this team. It's that last five that are hard decisions. And then it becomes the factor of the numbers at other positions. Last year, we kept seven (defensive linemen) because we had seven that we liked and we didn't want to expose any of them to the waiver system. We had two young guys in Dobbs and (Ian) Williams that we felt if we didn't keep we might lose them. So, that was part of the thought process there to keeping seven." --49ers defensive coordinator Vic Fangio.

Next practice: The 49ers return the practice field Sunday for their first full-squad workout with pads. The 49ers are scheduled to practice from 2:30 to 5:10 p.m. None of the 49ers' practices in Santa Clara this summer are open to the general public due to the ongoing stadium construction.

49ers 2017 UDFA tracker: Southern Miss QB reportedly agrees to terms

49ers 2017 UDFA tracker: Southern Miss QB reportedly agrees to terms

SANTA CLARA – The 49ers are reportedly adding a fourth quarterback to their 90-man roster.

Nick Mullens a four-year starter at Southern Mississippi, agreed to terms with the 49ers after the conclusion of the Saturday’s NFL draft, he told the Hattiesburg American.

As a senior, Mullens completed 65.5 percent of his passes for 3,272 yards with 24 touchdowns and 11 interceptions.

Mullens joins a quarterback group that includes starter Brian Hoyer, backup Matt Barkley and third-round draft pick C.J. Beathard.

Other reported 49ers free-agent agreements include:

--RB Matt Breida, Georgia Southern: In three seasons at Georgia Southern, Breida rushed for 3,740 yards and 37 touchdowns while averaging 6.9 yards a carry. (Tampa Bay Times)

--OL Erik Magnuson, Michigan: Magnuson (6-6, 305) was a first-team All-Big Ten performer who started every game at right tackle. He announced on Twitter that he has agreed to terms with the 49ers.

--WR Kendrick Bourne, Eastern Washington: He caught 211 passes for 3,130 yards and 27 touchdowns in his four-year career. Bourne (6-1, 203) had his best season as a senior, with 79 receptions for 1,201 yards and seven touchdowns. Eastern Washington announced Bourne’s three-year contract.

--OT Darrell Williams Jr., Western Kentucky: Williams (6-5, 315) started 41 games. He played his final two seasons at right tackle after moving from right guard. Western Kentucky announced the contract agreement with the 49ers.

--WR KD Cannon, Baylor: Cannon caught 195 passes for 3,113 and 27 touchdowns in his three-year career. He turned pro after a junior season in which he caught 87 passes for 1,215 yards and 13 touchdowns. He announced his contract agreement with the 49ers via Twitter.

--DB Lorenzo Jerome, Saint Francis (PA): Jerome, a Senior Bowl invite, was named first-team FCS All-American. He intercepted six passes in 2016 with 59 tackles, 5.5 tackles for loss and 11 pass break-ups. He added a touchdown on a kickoff return. (Pittsburgh Post Gazette)

--LB Jimmie Gilbert, Colorado (Denver Post)

--OL J.P. Flynn, Montana (NEPatriotsdraft.com)

--DE Noble Nwachukwu, West Virginia (NEPatriotsdraft.com)

--TE Cole Hikutini, Louisville (NFL Network)

--LB Donavin Newsom, Missouri (Columbia Daily Tribune)

--WR Victor Bolden, Oregon State (Bolden via Twitter)

Lynch: TE McDonald to return to 49ers after being on trade block

Lynch: TE McDonald to return to 49ers after being on trade block

SANTA CLARA – The 49ers explored trade options for veteran tight end Vance McDonald during the three-day draft, but he is scheduled be back with the team when the club reports Monday for the fourth week of the offseason program.

“I think that’s the reality of new regimes coming, new schemes,” 49ers general manager John Lynch said Saturday at the conclusion the seven-round draft. “That’s not to say that he can’t fit into our scheme. Frankly, we received some interest from some other people, then we did explore some options throughout the league with Vance. Nothing ended up happening, so Vance will come back and have an opportunity to compete.”

Coach Kyle Shanahan said he called McDonald on Friday night to keep him updated on the team’s though process in pursuing trade options. McDonald was at his brother’s wedding, Shanahan said, so he left him a long voice message. McDonald responded Saturday morning with a text. Shanahan said the two men will speak on Monday in Santa Clara.

“We did take over a 2-14 team,” Shanahan said. “We don’t feel all the answers are here right now. We have a lot of work to do. We need to improve in any way possible. And we’re going to do that. We’re going to do that from an organizational standpoint. How can we improve the building? How can we improve the coaching staff? How can we improve the personnel department? How can we improve the players?

“Just from Vance’s text back, I think people understand that. I think it does make sense. I don’t think that’s something personal.”

Former 49ers general manager Trent Baalke signed off on a five-year contract extension for McDonald in December that consisted of a $7 million signing bonus. McDonald appeared in 11 games last season, catching 24 passes for 391 yards and four touchdowns. The 49ers acquired McDonald as a second-round draft pick 2013. In 48 career games, McDonald has 64 receptions for 866 yards and seven touchdowns.

The 49ers signed veteran tight end Logan Paulsen in the offseason. On Saturday, the 49ers selected Iowa tight end George Kittle in the fifth round of the draft. Kittle joins fellow tight ends McDonald, Garrett Celek, Paulsen, Blake Bell and Je’Ron Hamm on the 49ers’ 90-man roster.