San Francisco 49ers: Early 53-man roster predictions for 2018

SANTA CLARA, CA - DECEMBER 24: Jimmy Garoppolo #10 of the San Francisco 49ers signalsto his team during their NFL game against the Jacksonville Jaguars at Levi's Stadium on December 24, 2017 in Santa Clara, California. (Photo by Robert Reiners/Getty Images)
SANTA CLARA, CA - DECEMBER 24: Jimmy Garoppolo #10 of the San Francisco 49ers signalsto his team during their NFL game against the Jacksonville Jaguars at Levi's Stadium on December 24, 2017 in Santa Clara, California. (Photo by Robert Reiners/Getty Images) /
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ARLINGTON, TX – APRIL 26: A video board displays an image of Mike McGlinchey of Notre Dame after he was picked #9 overall by the San Francisco 49ers during the first round of the 2018 NFL Draft at AT&T Stadium on April 26, 2018 in Arlington, Texas. (Photo by Tom Pennington/Getty Images)
ARLINGTON, TX – APRIL 26: A video board displays an image of Mike McGlinchey of Notre Dame after he was picked #9 overall by the San Francisco 49ers during the first round of the 2018 NFL Draft at AT&T Stadium on April 26, 2018 in Arlington, Texas. (Photo by Tom Pennington/Getty Images) /

Offensive Line (8)

Left Tackle: Joe Staley, Erik Magnuson

Left Guard: Joshua Garnett, Jonathan Cooper

Center: Weston Richburg

Right Guard: Laken Tomlinson

Right Tackle: Mike McGlinchey, Darrell Williams Jr.

Just think, the 49ers have almost completely overhauled their offensive line from a season ago. The only Week 1 starter remaining now is veteran left tackle Joe Staley, and he’s not going anywhere in 2018.

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How can Mike McGlinchey be a valuable piece in Denver's OL?
How can Mike McGlinchey be a valuable piece in Denver's OL? /

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  • This, after the Niners traded off center Daniel Kilgore and right tackle Trent Brown, later adding veteran center Weston Richburg in free agency and taking Notre Dame offensive tackle Mike McGlinchey at No. 9 overall in the NFL Draft.

    San Francisco’s latest transaction, releasing backup lineman Zane Beadles, removes a utility piece but opens up a spot for younger, cheaper players.

    Two second-year linemen, Erik Magnuson and Darrell Williams Jr., figure to be the prime beneficiaries here. Magnuson, like Beadles, can possibly play all five spots along the O-line, whereas Williams could be a solid swing tackle and better long-term option over Garry Gilliam, whose pass-blocking issues are a concern.

    Perhaps the biggest camp competition to watch here, however, is how the guard position plays out.

    San Francisco has three former first-round draft picks — Joshua Garnett, Laken Tomlinson and Jonathan Cooper — to compete for two starting jobs. Garnett, who missed last year with a knee injury, likely winds up earning the left spot, while Tomlinson bumps over to the right.

    Cooper winds up being a primary interior backup.