De’Zhaun Stribling: The Undrafted Rookie Who Could Be Brock Purdy’s Secret Weapon and a Nightmare for Defenses

SANTA CLARA — Brock Purdy has a new third-down weapon, and his name is De’Zhaun Stribling.

The undrafted rookie wide receiver led the 49ers in receiving during Saturday’s preseason opener. Four catches. 63 yards. Two first downs.

He wasn’t supposed to be here. He was supposed to be a camp body, a name on a depth chart destined for the waiver wire in late August.

Stribling, 23, went undrafted out of Washington State in April. He ran a 4.52-second 40-yard dash at his pro day—respectable but not elite. He has a 6-foot-2, 205-pound frame that projects as a boundary receiver, but concerns about his release against press coverage and a relatively limited route tree pushed him out of the draft entirely.

The 49ers signed him within hours of the draft’s conclusion. It is looking like one of the smartest moves of their offseason.

Stribling’s preseason debut was not spectacular in the box score. It was better. It was efficient. Purdy targeted him five times. Stribling caught four. The one incompletion was a throwaway.

His first catch came on a third-and-6 from the 49ers’ own 34-yard line. Stribling ran a 12-yard out route, planted his outside foot, and created two full yards of separation against man coverage. Purdy’s release came in 2.1 seconds. The ball arrived before the cornerback could recover.

First down.

His second catch was a contested slant over the middle. Purdy threw it slightly behind him, anticipating contact. Stribling absorbed the hit, secured the ball, and gained 14 yards.

First down.

His third catch came in the red zone. Purdy scrambled right, Stribling recognized the broken play, worked back toward the sideline, and caught a 7-yard pass that set up a field goal.

This is not a coincidence. It is chemistry. Purdy and Stribling have been working together since the first day of rookie minicamp, and Stribling has made himself available for every post-practice throwing session since.

“He sees the game the way I see it,” Purdy said after the game. “He knows where to sit in zones. He doesn’t run routes late. He’s where I expect him to be.”

That trust is earned. Rookies rarely earn it this fast.

Stribling’s role is becoming clear. He is not competing for a starting spot. Deebo Samuel and Brandon Aiyuk are locked in. But the 49ers’ third-down package has been a question mark since the departure of depth receivers who could consistently convert in the 5-to-10-yard range.

Stribling is that answer.

His route tree in college was limited, but the routes he runs are crisp. He specializes in the intermediate range: digs, outs, and curls. These are purgatory routes for most receivers—too precise for raw athletes, too physical for finesse players.

Stribling thrives there. He has a 79-inch wingspan, and he uses it to create a massive catching radius. Purdy’s quick-release style puts the ball in tight windows. Stribling’s length turns those windows into landing zones.

The tape from Week 1 shows a receiver who understands coverage structure. On his fourth catch, a 22-yard gain down the seam, Stribling identified a Tampa-2 look pre-snap, adjusted his split, and found the soft spot between the middle linebacker’s drop depth and the safety’s center-field positioning.

Purdy saw the same thing. The ball came out before Stribling made his break.

That is not coached. That is instinct.

Head coach Kyle Shanahan has historically favored veteran receivers in this system. He demands precision. He demands trust. Rookies rarely earn either in their first training camp.

Stribling is the exception. Shanahan praised his “football IQ” and “consistency” in a press conference this week.

“He doesn’t make the same mistake twice,” Shanahan said. “That’s rare for a young player.”

The question now is sustainability. One preseason game is a sample size. The regular season is a different animal. Defenses will scheme for him. Coordinators will study his tape.

Stribling’s weaknesses are identifiable. He is not a polished blocker, and Shanahan’s offense demands that from every receiver. His route tree needs expansion. He will face bigger, faster corners who can jam him at the line.

But the foundation is real. He has reliable hands—zero drops in training camp. He has a 6-foot-2 frame that plays bigger in contested situations. And he has a quarterback who trusts him.

That last attribute is the hardest to manufacture. It is also the most valuable.

The 49ers’ offense was already a nightmare for defensive coordinators. Samuel’s versatility, Kittle’s athleticism, and Purdy’s efficiency create a three-headed problem. Adding a reliable third-down receiver who can move the chains gives that offense a fourth dimension.

Defensive coordinators should be concerned. Stribling is not a deep threat, and he is not a red-zone jump-ball specialist. He is a chain-mover. He is the guy who converts third-and-6 in the fourth quarter. He is the guy who keeps drives alive.

The 49ers depend on long, sustained drives to control the clock and keep their defense fresh. Stribling fits that philosophy perfectly.

His preseason performance was not a fluke. It was a demonstration. He has shown the same consistency in every padded practice, every team drill, every film session.

The 49ers will likely keep him on the 53-man roster. He has earned that. And if his development continues at this pace, he will not just be a roster spot—he will be a rotation piece in an offense with Super Bowl aspirations.

Purdy has found his security blanket. The rest of the league will have to deal with it.

Extended Reading

The 49ers’ official Morning Report highlighted Stribling’s performance as a key storyline following the preseason opener. Yahoo Sports’ Frank Schwab also noted his emerging role as Purdy’s third-down target. Further data on Stribling’s college production and pre-draft metrics is available via ESPN’s NFL draft archives.