NFL training camp buzz: Steelers add QB Zach Mettenberger
Joey Bosa takes massive step toward recovery from groin injury
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Joey Bosa Headed To IR; Injury News Piles Up For Chargers – OutKick
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Chargers Injuries: EDGE Joey Bosa to have surgery, will be placed on IR - Bolts From The Blue
David J. Chao - ProFootballDoc on Twitter: #JoeyBosa will not play this week and likely a few weeks longer. He said so with his own words. / Twitter
Chargers place Joey Bosa on injured reserve with torn groin
Los Angeles Chargers star LB Joey Bosa to have surgery, goes on IR - ESPN