Bosa's 2020 season came to an end due to the injury, which took place against the New York Jets on September 20. He's been working on rehabbing the injury since then and has made it a point over the past few months to share videos on his progress, both in a public capacity and in private with the 49ers.
"The coolest thing with Nick is he's pretty good with documenting his workouts and sending them our way," 49ers general manager John Lynch said during a media session on Tuesday. "So even though he hasn't been here the entire time -- he's been here sporadically, he'd come out for a week or so -- you always get to see videos."
Lynch went into some detail about Bosa's videos on Tuesday, saying Bosa has been showing encouraging improvement throughout the offseason.
"He doesn't put them all on Instagram," Lynch said. "He sends us some ones, but they're always exciting just because you got to see his progress. He keeps getting better, so that's a good sign for us."
If Bosa isn't ready to play to start the season, it won't be from lack of trying. Lynch raved about the effort he saw from Bosa during his videos, saying the regimen Bosa put together was remarkable to see.
"You never have to question his work ethic. It is a special routine he has developed," Lynch said. "It's fun to watch a guy like that work. We've got a lot of respect and admiration, not only for player, but you get to see what goes into making that player, and it's a lot of hard work."
The 49ers will get a good look at Bosa in action once training camp begins Wednesday. Bosa met with head coach Kyle Shanahan on Monday, then will be back on the field Wednesday and will take the next step towards being ready for the season.
"Looked great in person. Saw him yesterday," Shanahan told reporters Tuesday. "We got to talk to him (for) about a half hour, just catch up. He feels good. Obviously we're going to ease him in and stuff and we're going to see him move a little bit tomorrow for the first time in person, but (he) looked great and it felt a lot better having him back in the building."
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