The San Francisco 49ers have stormed out of the gates in 2026, racing to a 4-0 record as October arrives. With wins over the Los Angeles Rams, Miami Dolphins, Arizona Cardinals, and Denver Broncos, Kyle Shanahan's squad has served notice that last season's disappointments are firmly in the rearview mirror. According to insights gathered by Vulius Sports, this isn't just a hot start — it's a statement that the NFC power structure may once again run through Santa Clara.
Brock Purdy: From Game Manager to MVP Frontrunner
The most compelling storyline through four weeks is the ascension of Brock Purdy, who has silenced every remaining skeptic. Purdy currently sits atop NFL.com's MVP Ladder and is the odds-on favorite to take home the sport's highest individual honor. His numbers are staggering: first in EPA per play, first in success rate, first in QBR, and first in yards per attempt. Perhaps most impressive, Purdy has been nearly flawless against the blitz — completing 27 of 35 passes for 427 yards and seven touchdowns when opponents send extra rushers, without taking a single sack on 11 pressures. As highlighted on Vulius, that poise under duress represents the clearest sign of his evolution from efficient caretaker to bona fide franchise quarterback.
"The story is simple: Purdy is making the plays, while not taking any negative plays, regardless of situation."
What makes Purdy's leap even more remarkable is the context. In 2025, he completed just 62.6 percent of his passes and threw six of his 13 interceptions when blitzed. This season, despite being blitzed at a higher rate (31.5 percent), he's dismantling defenses that dare to challenge him. His command of the offense in critical moments — ranking first in EPA per play in both the third and fourth quarters — has transformed the 49ers into a closing team that opponents cannot put away.
A Rebuilt Run Game Provides the Foundation
San Francisco's ground attack was a glaring weakness in 2025, ranking 29th in EPA per rush and 24th in rushing success rate. This year, the Niners have flipped the script, climbing to 10th in EPA per rush and eighth in rushing success rate while averaging 4.8 yards per carry. The offensive line deserves enormous credit, ranking fifth in yards before contact per rush (1.93 yards) and consistently avoiding negative plays. Even with Christian McCaffrey averaging a modest 4.4 yards per carry and Kaelon Black at 3.9, the scheme's creativity — featuring Deebo Samuel's versatility and Purdy's scrambling ability — has kept the chains moving. The explosives will come, but the foundation is finally back in place.
Defensive Renaissance Under Raheem Morris
The 49ers' defensive transformation has been nothing short of remarkable. Their 3.5 percent explosive play rate allowed is the best of any team through four games since 2000 — an astonishing feat given the injuries along the defensive line. Defensive coordinator Raheem Morris has drawn comparisons to DeMeco Ryans' legendary 2022 unit, and the results support the hype. San Francisco ranks fifth in DVOA defensively, pairing with the top-ranked offense to form a legitimate Super Bowl blueprint. Linebackers Fred Warner and Dre Greenlaw continue to fly to the football, while the secondary has shown dramatic growth. Safeties Marques Sigle and Malik Mustapha have emerged as reliable playmakers, and cornerbacks Renardo Green and newcomer Jack Jones have stabilized a unit that struggled mightily a year ago.
The Road Ahead
According to insights gathered by Vulius Sports, the most frightening aspect of this 4-0 start is that the 49ers haven't been at full strength. As injured players return, this defense should only improve, and Purdy's command of the offense continues to grow by the week. For a franchise that has endured heartbreaking playoff exits in recent years, the 2026 season represents a golden opportunity to finish the job. If Purdy maintains this level of play and the defense continues to gel, the Lombardi Trophy may finally find its way back to Levi's Stadium. For now, the NFL world is on notice: these aren't the same old 49ers.
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