49ers training camp: 10 returning veterans on the hot seat

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SANTA CLARA, CA – AUGUST 26: Outside linebacker Kyler Fackrell #51 of the Green Bay Packers rushes up against John Theus #78 of the San Francisco 49ers in the second half of their preseason football game at Levi’s Stadium on August 26, 2016 in Santa Clara, California. (Photo by Thearon W. Henderson/Getty Images) /

No. 2: Offensive Tackle John Theus

Picking up offensive tackle John Theus in the 2016 NFL Draft might have been a bit of a surprise, and it’s looking as if he’ll be phased out after just one season in San Francisco.

Theus wasn’t exactly a top-tier option, even as a reserve, for the 49ers his rookie season. At best, he could have been a swing tackle for the Niners, but even that role looks precarious at best.

Regardless of the would-be offsides call, Theus can’t sustain his block against linebacker Eli Harold, as shown in this drill (h/t Cam Inman of the San Jose Mercury News):

San Francisco brought in former Seattle Seahawks tackle Garry Gilliam, who could easily assume a swing tackle role. The same could be said of offensive lineman Zane Beadles, who also has the capacity to play all three O-line positions.