Kyle Shanahan confirms 49ers star Nick Bosa underwent successful ACL surgery

Programming note: Watch Matt Maiocco’s full interview with Kyle Shanahan on “49ers Game Plan,” airing immediately after “Giants Postgame Live” on Friday on NBC Sports Bay Area.The 49ers are 3-0, but that doesn’t mean Kyle Shanahan’s squad plans on taking their foot off the gas pedal.Despite being afflicted by a multitude of injuries already, Shanahan knows how important each and every week is in the NFL.Ahead of Sunday’s Week 4 matchup against the Jacksonville Jaguars (2-1) at Levi’s Stadium, Shanahan told NBC Sports Bay Area’s Matt Maiocco why he thinks this game is a must-win for San Francisco. “It’s so cliché for me, because I end up feeling this way every week, but I feel like this is a game we need to win,” Shanahan declared on “49ers Game Plan.” “You can’t lose these types of games, and I know we’re going against a very good team, I know there are some situations that we need to overcome, but I have felt the same these last three weeks. “They can go either way. We’re sitting here at 3-0, but just a few missed plays, a few little...