Giants Suddenly Have A Real Battle At One Starting D-Line Spot

Darius Alexander's presumed starting role on the Giants' defensive line is under scrutiny after a lackluster preseason performance and strong competition from newcomer Josh Tupou.

Darius Alexander didn’t exactly make life easy on the Giants’ coaching staff in the preseason opener.

The second-year defensive lineman did notch New York’s only sack of the day, dropping Vikings quarterback J.J. McCarthy for a four-yard loss.

But the bigger story was how long he stayed on the field. Alexander played the entire first half and didn’t come off until late in the third quarter, which is not the kind of workload you usually see for a player who’s supposed to have a firm grip on a starting job.

That usage alone raises an eyebrow. So do the numbers.

Over 24 snaps, Alexander finished with a 51.4 overall grade from Pro Football Focus. His pass-rushing grade came in at a respectable 67.4, but his 43.8 run-defense mark is the kind of number that can put a player’s role under a spotlight in a hurry.

For a player who had been getting buzz as Big Blue’s next breakout candidate in 2026, this was a rough way to open the preseason.

And it comes at the worst possible time, because Josh Tupou is suddenly in the mix.

The veteran defensive lineman, signed recently, turned in one of the better performances in a preseason opener that didn’t offer much else for the Giants. Tupou logged 21 snaps and posted an 89.5 PFF grade, with a 70.2 run-defense grade and a 91.5 pass-rushing grade. It’s a tiny sample, sure, but he clearly outperformed Alexander on Sunday.

When the Giants released their initial depth chart, Alexander was listed with the first team alongside DJ Reader and Shelby Harris. Tupou was on the second string. After this game, that ordering looks a lot less settled.

That doesn’t mean Giants fans should feel great about either option right now. Alexander’s issues against the run are still staring everyone in the face, and Tupou hasn’t been consistently effective since before COVID. One preseason outing isn’t enough to erase that history.

Still, the competition is real, and general manager Joe Schoen made it clear after the game that the defensive line picture isn’t finished. He said, “That’s going to be a position we’re going to continue to look for and see if we can upgrade moving throughout the final countdown.”

The Giants get another shot to sort it out Saturday against the Miami Dolphins.

For Alexander, the margin for error is shrinking fast. New York wanted a breakout player to help anchor the front in the post-Dexter Lawrence era, but right now the decision feels like a choice between a young lineman who still has a lot to prove in the run game and a veteran whose best football is well in the rearview mirror.

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