Nick Bosa's brother, Los Angeles Chargers defensive end Joey Bosa, will also be in attendance. The Bosa brothers have been training together this offseason.
Other attendees include Aaron Donald of the Los Angeles Rams, Myles Garrett of the Cleveland Browns, Chandler Jones of the Arizona Cardinals, Khalil Mack of the Chicago Bears, Shaquil Barrett of the Tampa Bay Buccaneers, and Frank Clark of the Kansas City Chiefs.
Armstead recorded a team-leading 10 regular-season sacks last season while Bosa, a rookie at the time, racked up nine on his way to being named the NFL Defensive Rookie of the Year.
San Francisco in March signed Armstead to a five-year deal worth up to $85 million.
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