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Chargers 2025 Training Camp Preview: Who Wins Starting Center and Left Guard Spots?

Zion Johnson and Bradley Bozeman highlight the position battles along the offensive line ahead of training camp

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Chargers Training Camp is rapidly approaching.

The team will host 17 open practices as they welcome fans back to The Bolt in El Segundo. (Note: two of the practices will be held at University of San Diego.)

The Bolts are looking to build on an 11-win season and playoff berth in Year 2 of Head Coach Jim Harbaugh, as the competitiveness has gone up another level throughout the offseason.

Chargers.com will take a look at each position group and battles leading up to training camp. Next up? The offensive line.

Who's on the roster?

Rashawn Slater, Bradley Bozeman, Zion Johnson, Mekhi Becton, Joe Alt, Trey Pipkins III, Jamaree Salyer, Andre James, Karsen Barnhart, Branson Taylor, Nash Jones, Josh Kaltenberger, Corey Stewart, Savion Washington, Elijah Ellis

Check out the best photos from Day 3 of Chargers Mini-Camp 2025

Camp Outlook

As long as Harbaugh is the head coach, you know how much he will emphasize offensive line play.

The unit was solid in 2024 but certainly has room to improve and will look to do so with a group that is mostly the same from last season.

Slater and Alt will anchor the group as one of the best tackle tandems in the league.

Slater, who is in the midst of contract negotiations with the Chargers, was a Pro Bowler in 2024 and ranks among the league's top tackles.

Alt flourished as a rookie after being the No. 5 overall pick. He finished with a 94.3 percent pass-block win rate, according to ESPN, which was the fourth-highest mark among offensive tackles during last regular season.

Johnson and Bozeman are also back in powder blue after starting at left guard and center, respectively, in 2024. The two are now **battling for those two starting jobs** as they could switch places in 2025.

The main newcomer of the group is Becton, who has slotted into the starting lineup at right guard after helping the Eagles win the Super Bowl last season.

Pipkins, Salyer and James provide ample depth as they have all been starters in previous seasons. In fact, the trio has combined to start 151 total games in their respective careers.

Barnhart was a rookie in 2024 who spent the season on the practice squad. He took reps with the top unit this spring and could be a solid depth player in his second season.

Taylor, meanwhile, was the Chargers recent sixth-round pick out of Pittsburgh. He played tackle in college but has shifted to guard since joining the Bolts.

Overall, Harbaugh likes where this group is at heading into the summer.

"I think we're way better," Harbaugh said. "It takes offensive linemen, most of the time, a year to physically develop, mature and understand the speed and the calls, and everything that goes into offensive line play.

"Our [15] offensive linemen and our free agent-signed offensive linemen, we're better in that 8 to [15] than we were last year," Harbaugh added. "Great guys to work with and develop, because it's rare."

Jones, Kaltenberger, Stewart, Washington and Ellis are all undrafted free agents who could earn spots on the practice squad with strong showings in training camp and the preseason.

Player to Watch: Mekhi Becton

The Chargers made a big splash in free agency by adding Becton, who stands at 6-foot-7 and is 363 pounds.

In other words, he provides plenty of beef up front for the Bolts and should thrive next to Alt, who is 6-7 and 323 pounds.

"Been really excited with Mekhi Becton, just how big we are on the right side of the line of scrimmage," Harbaugh said. "We'll probably be a right-handed type of team."

Becton played in 15 games for Philadelphia in 2024 in his first season as a guard.

He thrived in his new position, posting an overall Pro Football Focus grade of 75.2 in the regular season, good for 16th among guards with at least 500 snaps.

Becton was reliable in the trenches, too, as he allowed two or fewer pressures in 11 of his 15 regular-season games.

Becton also shined as a run blocker by posting a PFF grade of 74.7, which was the 14th-best mark among all guards with 500-plus snaps.

The interior of the Chargers offensive line was a bit up and down in 2024. The hope for the Bolts is that Becton provides stability, consistency and toughness up front.

Key Question: Who wins the starting LG and C jobs?

As mentioned above, Johnson and Bozeman were starters for the Chargers in 2024.

The duo seems likely to start again in 2025 but they could be at different positions. Johnson has transitioned to center and split reps there with Bozeman this spring. On days where Bozeman was at center, Johnson moved to left guard.

Harbaugh said in June that he wants the Chargers to settle on a starting five about eight to 10 days into training camp.

"Maybe the combination is going to be better with Zion at center and Boze at guard, but if it's not, we know we have a great combination with Boze at center and Zion at guard," Harbaugh said.

"We feel like we're in a really good place," Harbaugh added.

Keep in mind that others such as Pipkins, Salyer and James could be in the mix along the interior, too.

Based on Harbaugh's comments, we should know who wins these jobs in early August, which means the early days of padded practices should be must-watch football.

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