San Francisco 49ers 2026 Season Preview

Shanahan's Steady Hand

Kyle Shanahan is now in year 10, and the results still bend his way. The 49ers finished third in the NFC West at 12-5 anyway, then knocked off the Eagles before the Seahawks blew them out 41-6 in the Divisional round. That kind of collapse would rattle a lot of staffs; here it barely registers as noise. Part of the 12-5 mark was efficiency that is unlikely to repeat, since the offense needed fewer yards than average to score. But a minus-8 turnover margin points the other way, and that is the kind of thing a Shanahan-coached team typically cleans up rather than a symptom of anything structural.

Quiet Alarms on Both Lines

The 49ers put up 351 yards a game, seventh-best in the league, yet only 20 sacks on defense, tied for worst. That gap between polished offense and toothless pass rush is the story of 2026, not the 12-5 record that papered over it. Brock Purdy is projected back under center after throwing for 2,167 yards and 20 touchdowns in just 9 games, and a full healthy season from him should push that passing offense higher than 5th in the league. But the ground game stalled at 107 yards per game, 24th in the league, and nothing in the returning mix says that fixes itself. The offense finished drives efficiently last year, needing fewer yards than average to score, and that is exactly the kind of edge that tends to disappear before it repeats.

Brock Purdy missed nearly half the season and San Francisco's passing offense still ranked 5th in yards per game. That says plenty about the ceiling Kyle Shanahan's scheme creates, and even more about what Purdy leaves on the table when he's actually upright for all seventeen games. Mac Jones filled in capably, throwing for 2,151 yards, but he's the backup now and this is Purdy's offense to run start to finish. Kurtis Rourke and Adrian Martinez round out a depth chart built for insurance, not competition. If Purdy stays on the field, the 25.7 points per game mark from 2025 should look modest by comparison.

Christian McCaffrey ran for 1,202 yards and 10 touchdowns in 2025, and everything about this backfield still starts with him carrying the load again. That workload is exactly why Kyle Shanahan spent the offseason restocking around him rather than behind him. Zamir White and Khalil Herbert arrive as change-of-pace pieces, though neither posted big numbers at his last stop, and third-round pick Kaelon Black joins as a rookie with nothing on his professional ledger yet. The bigger swing is scheme, not depth: this offense finished 24th in rushing yards per game a year ago despite McCaffrey's numbers, so the answer has to come from spreading touches better rather than adding another name. Jordan James remains in the mix with Isaac Guerendo unavailable to open the year, but the room is built to keep McCaffrey fresh, not to replace him.

Deebo Samuel Sr. is back in the Bay after his run in Washington, and his return says everything about how this room got rebuilt. Jauan Jennings and Kendrick Bourne, good for 643 and 551 yards apiece last year, are both gone, and Kyle Shanahan replaced that production with a wave of proven outside veterans instead of internal growth. Mike Evans and Christian Kirk arrive as complementary pieces rather than focal points, while Ricky Pearsall, who caught 36 passes in nine games, opens the year unavailable. Brandon Aiyuk, still the highest-paid receiver in the room at $27M, opens the year unavailable. Jacob Cowing and second-round pick De'Zhaun Stribling round out a group with real name value, but the shape of this offense in 2026 hinges less on any rookie than on how many of these new veterans still have their 2023 form left.

George Kittle remains the engine of this passing game, and his 628 yards and 7 touchdowns on 57 catches make him the highest-paid player in the room for a reason. Jake Tonges turned 34 catches into 5 touchdowns, giving Kyle Shanahan a real second option who can work the middle of the field. Depth is where this room gets interesting. Josiah Deguara arrives from the Cardinals and Tanner McLachlan joins from the Chargers, both fitting the blocking-first mold Shanahan has always wanted behind Kittle and Tonges. Luke Farrell stays in as the reliable extra blocker, and with a passing offense already 5th in the league in yards per game, this group has the pieces to keep stressing defenses underneath.

Trent Williams anchors a line that allowed just 27 sacks last year, fifth-best in the league, and that pass protection number matters more than the pedestrian 107 rushing yards per game. Jake Brendel, Dominick Puni and Colton McKivitz all return alongside Williams, giving Kyle Shanahan continuity up front even as five linemen including Spencer Burford and Matt Hennessy are gone. Robert Jones arrives from Dallas and Vederian Lowe from New England to compete for spots, while rookies Carver Willis and Enrique Cruz Jr. add depth without any pressure to start immediately. With 11 bodies back against five departures, this isn't a teardown. The bigger question is whether Shanahan's zone scheme can finally push that rushing average up without sacrificing the protection that made this group one of the better units in the league.

Twenty sacks in 2025 ranked 32nd, a number nobody in this building will repeat out loud twice. Nick Bosa played just 3 of 17 games and still posted 2 sacks, and if he stays on the field the whole equation changes. San Francisco did not tinker at the edges here; 11 defensive linemen departed, including Bryce Huff's 4 sacks and Clelin Ferrell's 4 sacks, and Osa Odighizuwa arrives from Dallas off a 43-tackle, 3.5-sack season to replace that lost pressure. Sam Okuayinonu topped the returning group with 39 tackles and 3 sacks across 14 games, giving Shanahan a real building block up front. Rookies Romello Height and Gracen Halton add draft capital but no proven pass rush, so the sack total lives or dies with Bosa's health and Odighizuwa's transition.

Fred Warner still anchors this defense, and Tatum Bethune's 92 tackles across 12 games proved he belongs next to him. The bigger question is what replaces Dee Winters, whose 98 tackles and 8 TFL walk out the door along with Curtis Robinson's production. Dre Greenlaw returns to the building after a stop in Denver, where he posted 43 tackles and an interception in 8 games, and he slots in as a difference-maker if he stays on the field. Luke Gifford played 14 games a year ago and gives the room a dependable rotational piece, while rookie Jaden Dugger joins as a developmental add out of Louisiana. Sacks were a real problem here, with the defense finishing 32nd in the league, and this group of linebackers needs to generate more disruption than it did a year ago.

Deommodore Lenoir remains the anchor of this secondary, his $16.6M price tag matching his role as the top corner across from Upton Stout, who piled up 82 tackles a year ago. San Francisco's pass defense still gave up 232 yards per game through the air, 25th in the league, and the answer arrived through free agency rather than the draft. Nate Hobbs joins from the Packers and Jack Jones from the Dolphins, adding depth and coverage versatility to a group that also lost Jason Pinnock and Chase Lucas. Ashtyn Davis, also arriving from Miami, gives Kyle Shanahan another option at safety alongside incumbents Ji'Ayir Brown and Malik Mustapha, who combined for four interceptions last season. Ephesians Prysock arrives as a rookie corner out of Washington, but the real bet here is that Hobbs and Jones sharpen a back end that ranked 13th in points allowed despite its passing-yardage problem.

Eddy Pineiro made 28 of 29 field goals a year ago, a mark that steadied a special teams unit that changes elsewhere. Matt Gay, the departed kicker, connected on just 17 of 23, so San Francisco upgraded accuracy at the same spot without touching a snap in free agency. The bigger swap comes at punter, where Corliss Waitman arrives from the Steelers after netting 41.7 yards on 62 punts, replacing Thomas Morstead's 36.8-yard average from 2025. That is a real jump in field-position value, not a lateral move. Jon Weeks stays on as the long snapper, the steady hand tying together a specialist group that got sharper at both swing positions this offseason.

A Receiver Room Overhaul

San Francisco replaced its production at receiver rather than simply adding to it. Jauan Jennings and Kendrick Bourne combined for real snaps and touchdowns a year ago, and both are gone; in come Deebo Samuel Sr., Mike Evans and Christian Kirk, all arriving with 2025 numbers from other clubs. That's a lot of new names catching passes from Brock Purdy, who is projected to start again after throwing 20 touchdowns against 10 interceptions in just nine games. The defense saw its own churn, with Osa Odighizuwa, Dre Greenlaw and Nate Hobbs replacing departed contributors like Dee Winters and Bryce Huff. An 8-pick draft haul, acquired largely through trades rather than a first-rounder, adds Ole Miss receiver De'Zhaun Stribling and Texas Tech edge Romello Height, with the defensive front getting real reinforcement this offseason.

Purdy Must Prove It Again

Brock Purdy is the reason for caution here, not because his job is unsettled but because the offense that shielded him was quietly efficient rather than dominant. San Francisco needed just 13.7 yards for every point last season against a league median of 14.3, and that kind of finishing touch rarely repeats. Purdy threw 10 interceptions in only nine games, and now he loses Jauan Jennings' 55 catches while leaning on Deebo Samuel Sr. and George Kittle to pick up the slack. Christian McCaffrey remains the engine, but this offense goes only as far as Purdy's accuracy carries it.

Backing Shanahan on the road

Bettors have consistently undervalued San Francisco away from Levi's Stadium. San Francisco covers at 54% on the road and 53% as a road underdog, a far better number than the 45% it manages at home. The home-favorite spot is the flip side: an ordinary 47% cover mark that has burned backers laying points in the Bay. Division tickets have been reasonably profitable too, with a 52% cover rate against NFC West foes. None of this touches whether the 12-5 mark holds up, but it does suggest the smarter play is chasing this team when it travels, not when it is favored at home.