A better Bosa? 49ers’ Pro Bowl pass rusher discusses improvement plan
Warning to the 49ers’ new left tackle: Nick Bosa is studying you. Bosa, 22, the pass rusher who is the NFL’s reigning Defensive Rookie of the Year, has been prepping for training camp by reviewing video of Trent Williams, 31, the seven-time Pro Bowler who recently was acquired in a trade to replace just-retired Joe Staley.