Early 49ers roster bubble watch after 2020 NFL Draft

SANTA CLARA, CA - DECEMBER 09: Dante Pettis #18 of the San Francisco 49ers celebrates after scoring on a one-yard catch against the Denver Broncos during their NFL game at Levi's Stadium on December 9, 2018 in Santa Clara, California. (Photo by Robert Reiners/Getty Images)
SANTA CLARA, CA - DECEMBER 09: Dante Pettis #18 of the San Francisco 49ers celebrates after scoring on a one-yard catch against the Denver Broncos during their NFL game at Levi's Stadium on December 9, 2018 in Santa Clara, California. (Photo by Robert Reiners/Getty Images) /
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Kwon Alexander, 49ers
Kwon Alexander #56 of the San Francisco 49ers (Photo by Lachlan Cunningham/Getty Images) /

Linebacker

Lock: Kwon Alexander, Dre Greenlaw, Fred Warner

Strong Bubble: Azeez Al-Shaair, Mark Nzeocha

Weak Bubble: Joey Alfieri, Demetrius Flannigan-Fowles, Joe Walker

Long Shot: Jonas Griffith

San Francisco’s starting linebacker trio is easy to figure out.

The Niners will deploy Kwon Alexander, Dre Greenlaw and Fred Warner again, hopefully fully healthy this season and thanks to Greenlaw’s notable ascent in 2019. While the tendency for defenses to feature more nickel packages will ultimately mean only two linebackers see the field most of the time, the interchangeability of the 49ers linebacking group now means a good deal of rotation is in order.

Questions begin with the backups.

The Niners surely like Mark Nzeocha’s special teams ability, which will be hard to unseat. And while he struggled, defensively, during his limited appearances in that role, second-year pro Azeez Al-Shaair would appear to have a leg up on some of his other competitors, particularly the newly signed veteran, Joe Walker.

Walker and second-year pro Demetrius Flannigan-Fowles could compete for a back-end spot on the roster, but it’s more likely San Francisco retains a nearly identical group compared to what was fielded a year ago.