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Fernando Mendoza Pick-Six: Did It Change the Raiders’ QB Plan?

No. Fernando Mendoza’s 80-yard pick-six against Houston was the defining mistake of his second NFL preseason game, but it did not rewrite the Las Vegas Raiders’ quarterback plan. It reinforced the reason Kirk Cousins is positioned to open the regular season as the starter: Mendoza is a talented rookie who still needs live repetitions before the Raiders can ask him to manage an NFL offense every week.

That conclusion is Football Nation analysis, not a team announcement. What is confirmed is narrower. Mendoza started Thursday night’s nationally televised game, completed 8 of 15 passes for 86 yards and threw one interception as Las Vegas fell behind 20-3. The Raiders then rallied to beat the Houston Texans 22-20 behind Aidan O’Connell’s 96-yard winning drive.

What happened on Fernando Mendoza’s pick-six

On Las Vegas’ opening possession, Mendoza tried to complete a short pass to running back Mike Washington Jr. Houston rookie linebacker Wade Woodaz undercut the throw and returned it 80 yards for a touchdown. The result made the error look spectacularly bad, but the teaching point is simpler: placement and timing on a short throw can be as consequential as a risky deep ball.

The official Raiders recap described a first half with protection problems and too many negative plays. Mendoza was sacked once and hit several other times behind a second-team offensive line. He also settled after the interception, completing six consecutive passes, while a few catchable throws were dropped.

That context does not erase the pick. It explains why the Raiders should grade the entire sequence instead of treating the box score as a one-play referendum. Football Nation’s checkdown explainer shows why these throws demand more than simply finding the nearest receiver: the quarterback still must confirm leverage, lead the target away from danger and avoid giving an underneath defender a clean break on the ball.

Mendoza’s two preseason starts

Measure

vs. Arizona, Aug. 13

at Houston, Aug. 20

Two-game total

Completions-attempts

10-16

8-15

18-31

Passing yards

97

86

183

Passing TDs

1

0

1

Interceptions

0

1

1

Sources: Reuters’ August 21 game roundup and the Associated Press game report. The combined completion rate is 58.1 percent. Arizona figures are also documented in Football Nation’s linked first-start analysis below.

Football Nation comparison graphic showing Fernando Mendoza’s 2026 preseason passing totals against Arizona and Houston.
Football Nation original data graphic comparing Mendoza’s two 2026 preseason starts. Statistics verified through Raiders and Associated Press game recaps; current through August 21, 2026.

Why the result supports the existing quarterback plan

Cousins did not play against Houston, and neither did several established Raiders stars, including Maxx Crosby, Ashton Jeanty and Brock Bowers. Resting Cousins does not mean Mendoza moved ahead of him. It created an extended evaluation for the rookie and for players competing behind the first unit.

The Raiders’ quarterback-room strategy has always made the most sense as a bridge. Cousins gives first-year coach Klint Kubiak an experienced operator while Mendoza learns protections, coverage rotations and the speed of NFL underneath defenders. Mendoza’s first preseason start against Arizona showed the upside: 10 completions in 16 attempts, 97 yards, a touchdown and no interception. Houston supplied the necessary counterweight.

Preseason results also need the right scale. As Football Nation explains in what carries over from NFL preseason, the games do not count in the standings, but assignments, decision-making and responses to pressure absolutely matter to coaches. Mendoza’s interception belongs in that evaluation. It should not outweigh every practice rep, the quality of the line in front of him or the Raiders’ larger development timeline.

The strongest counterpoint: No. 1 picks can accelerate plans

Mendoza was the No. 1 overall pick after a Heisman Trophy season and a national championship at Indiana. Teams do not make that investment merely to preserve a veteran’s job. If Mendoza consistently gives the offense more explosive upside while protecting the football, the Raiders should be willing to accelerate him.

Kubiak also declined to guarantee that every player should feel comfortable after the Houston game. That matters because the competition is not only Cousins versus Mendoza. O’Connell completed 15 of 24 passes for 166 yards and directed the game-winning 96-yard drive, finishing with a one-yard touchdown with 14 seconds left. His second-half performance gives the staff useful evidence when it orders the depth chart behind Cousins.

Still, one preseason interception is weak evidence for a dramatic change. The Raiders-Texans preview framed this game as an evaluation of Mendoza’s command and the roster around him. The result answered part of that question: his ball placement failed on the biggest mistake, his protection was uneven, and he recovered well enough to complete a run of throws. It did not establish that he is ready to replace Cousins or that he has fallen out of the long-term plan.

What changes next

The next factual checkpoint is Las Vegas’ final preseason game against San Francisco on Thursday, August 27. The useful questions are specific. Does Mendoza identify underneath leverage before releasing the ball? Does he get the offense out of a bad protection? Can he avoid negative plays on third down? And after the pick-six, does Kubiak continue giving him the same responsibility or simplify the menu?

Practice usage will matter too. First-team repetitions, protection calls and two-minute work would reveal more about Mendoza’s readiness than a vague statement about confidence. Until those reps change, Cousins remains the logical Week 1 starter and Mendoza remains the development priority.

Football Nation verdict

Do not turn one ugly play into a quarterback controversy. Mendoza’s pick-six was a real processing and placement failure, and the Raiders should coach it hard. But his response, the second-team context and a two-game sample make this a development setback—not a depth-chart verdict. Cousins should start. Mendoza should keep playing. The decision changes only when the rookie’s command becomes more consistent than the veteran stability Las Vegas acquired for this season.

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