What challenges will Nick Bosa face coming back from ACL injury?

Photo by Sam Greenwood/Getty ImagesThe San Francisco 49ers’ defense was missing a finisher for most of the 2020 season. Defensive lineman Nick Bosa tore his ACL early in the Week 2 win over the New York Jets and missed the final 16 games, leaving a major void in the defense.

Bosa has been putting in work to get back into the lineup and be ready for the opening game of the 2021 campaign. He shared a video on Instagram showing his progress (h/t OurSF49ers_):

Although the Niners had a top-10 defense without Bosa, his absence was felt all over the field. Arik Armstead’s numbers came down without Bosa lined up close to him and San Francisco finished with 18 fewer sacks than a year prior. Bosa’s…