SF 49ers: Final bubble watch ahead of Week 1 roster cuts

The San Francisco 49ers (Photo by Michael Reaves/Getty Images)
The San Francisco 49ers (Photo by Michael Reaves/Getty Images) /
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Kwon Alexander, Fred Warner, 49ers
Kwon Alexander #56 and Fred Warner #54 of the San Francisco 49ers (Photo by Michael Zagaris/San Francisco 49ers/Getty Images) /

SF 49ers Linebackers

Lock: Kwon Alexander, Dre Greenlaw, Fred Warner

Strong bubble: Azeez Al-Shaair, Demetrius Flannigan-Fowles, Mark Nzeocha

Weak bubble: Joe Walker

Long shot: none

The SF 49ers may be forced to test their linebacker depth early in 2020, considering Fred Warner is already on the reserve/COVID-19 list and will have to clear that before taking the field again.

Likewise, fellow linebacker Dre Greenlaw just came off the concussion protocol.

Thankfully, this positional group is awfully deep, especially considering only two backers typically take the field for roughly 60 percent of defensive snaps.

The real challenge is figuring out the reserve depth behind the starting trio of Warner, Greenlaw and Kwon Alexander. One of the risers during training camp has been converted safety Demetrius Flannigan-Fowles, who could challenge for a backup spot and potentially push someone like Azeez Al-Shaair and/or Joe Walker off the 53-man roster.

It’s likely the Niners keep Mark Nzeocha for his special teams prowess, although it’s never guaranteed a player makes the cut based on that sole ability alone.