The 49ers continue to deal with injury issues at wide receiver, as they will likely again be without Ricky Pearsall as well as long-term absentee Brandon Aiyuk for the visit of the Los Angeles Rams on Sunday.

San Francisco’s adversity at the pass-catching spots has meant that, for most of the year, the aerial attack has centered around Christian McCaffrey.

The running back leads the 49ers in receiving yards (626) and has four receiving touchdowns, with McCaffrey maximized as a passing game easy button for Mac Jones in the absence of starting quarterback Brock Purdy.

McCaffrey is so effective in the passing game in part because head coach Kyle Shanahan does an excellent job of creating ways to get him into open space.

A key player in the creation of those open looks is fullback Kyle Jus

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