Depth Chart
| Offense | |||
| Position | |||
| Left Tackle | Joe Staley | Shon Coleman | |
| Left Guard | Laken Tomlinson | ||
| Center | Weston Richburg | Erik Magnuson | |
| Right Guard | Mike Person | Joshua Garnett | |
| Right Tackle | Mike McGlinchey | Garry Gilliam | |
| Wide Receiver | Pierre Garcon | Dante Pettis | Kendrick Bourne |
| Wide Receiver | Marquise Goodwin | Trent Taylor | Richie James Jr. |
| Running Back | Matt Breida | Alfred Morris | Matt Dayes |
| Tight End | George Kittle | Garrett Celek | Ross Dwelley |
| Quarterback | Nick Mullens | C.J. Beathard | Tom Savage |
| Defense | |||
| Position | |||
| Left Defensive End | Solomon Thomas | Cassius Marsh | Dekoda Watson |
| Left Defensive Tackle | Earl Mitchell | D.J. Jones | |
| Right Defensive Tackle | DeForest Buckner | Sheldon Day | |
| Right Defensive End | Arik Armstead | Ronald Blair III | Jullian Taylor |
| Strong Linebacker | Malcolm Smith | Mark Nzeocha | |
| Middle Linebacker | Fred Warner | Elijah Lee | |
| Weak Linebacker | Reuben Foster | ||
| Left Cornerback | Richard Sherman | K'Waun Williams | Greg Mabin |
| Right Cornerback | Ahkello Witherspoon | Tarvarius Moore | |
| Strong Safety | Jaquiski Tartt | Antone Exum Jr. | Marcell Harris |
| Free Safety | Jimmie Ward | D.J. Reed Jr. | |
| Special Teams | |||
| Position | |||
| Kicker | Robbie Gould | ||
| Kick-Offs | Bradley Pinion | Robbie Gould | |
| Punter | Bradley Pinion | ||
| Kick Returner | Richie James Jr. | D.J. Reed Jr. | Dante Pettis |
| Punt Returner | Richie James Jr. | Dante Pettis | Trent Taylor |
| Holder | Bradley Pinion | ||
| Special Teamer | Garrett Celek | Mark Nzeocha | Kyle Nelson |
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