There are a handful of interesting things that jump out on the San Francisco 49ers' unofficial depth chart for Week 1. Here are the takeaways.

Christian McCaffrey and now Kaelon Black—how do you divide the snaps with this promising rookie entering the fold?

The 49ers’ most recent running back picks have given cause for optimism this preseason.

The undrafted rookie is turning heads in San Francisco, blending elite pass protection with a physical running style that provides a vital spark to the 49ers' offense.

There doesn't seem to be a leader in the RB2 position battle between Kaelon Black and Jordan James.

One 49ers running back will get a lot of playing time this week.

Yahoo fantasy analysts Matt Harmon and Scott Pianowski discuss why the San Francisco running back has cemented his spot as the backup option to Christian McCaffrey and should be eyed in fantasy football drafts. Check out the full conversation on the "Yahoo Fantasy Forecast" podcast - and subscribe on Apple Podcasts, Spotify, YouTube or wherever you listen.

49ers OC Klay Kubiak was happy to have his running backs back in the fold

49ers rookie running back Kaelon Black speaks to reporters following San Francisco's training camp session on Saturday in Santa Clara.49ers RB Kaelon Black shares how he hopes to improve after NFL preseason debut originally appeared on NBC Sports Bay Area