The Giants enter Week 7 with a chance to do more than just add another win. At 3-2-1, they are the NFC East leader heading into Sunday’s matchup with the Texans, and a victory in Houston would give them a clearer grip on the division before the bye week arrives.

That is the backdrop for a game that now carries a second layer of uncertainty: J.J. McCarthy will start at quarterback for New York, coach John Harbaugh announced after Wednesday’s practice. Jameis Winston will back him up.

The timing makes the decision harder to ignore. Both teams go into their bye after this game, so the Giants are not just trying to protect their place at the top of the division. They are doing it while changing the most important position on the field.

Harbaugh’s team also has to manage the injury report around that change. Linebacker Tremaine Edmunds did not practice, and left tackle Andrew Thomas was limited, two availability notes that sit alongside the quarterback switch as New York prepares for Houston.

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The Texans come in at 2-4, but they are not arriving empty-handed. Houston has won its last two games after dropping four straight, a stretch that gives the matchup a different feel than the records alone suggest. The Texans also have some history to lean on, even if it is old history: their first win as a franchise came against the Giants, a 16-14 result in 2002. Since then, New York has won five straight meetings.

That history is part of the reason the Giants can look at this game as a chance to extend control rather than merely defend it. The Texans preview notes that New York is the NFC East leader entering the matchup, and the Giants’ own weekly outlook frames the game as an opportunity to take total control of the division before the bye.

McCarthy’s first start adds another variable. The Texans preview lists his speed at 4.4 seconds, a trait that stands out in a game where New York is trying to settle its quarterback situation without losing the larger opportunity in front of it. Winston’s move to backup gives the Giants a different depth chart than the one they carried into the week, but the focus now shifts to how McCarthy handles his first turn in the lineup.

The Giants are also coming off a 34-27 loss to the Saints, which makes the response in Houston part of the story too. A win would send them into the bye with the division lead intact and a quarterback change already in motion. A loss would leave the questions around the offense and the injury report hanging over the break.

For now, the setup is straightforward: the Giants lead the NFC East, the Texans are on a short winning streak, and McCarthy is set to make his first start with the division race sitting right in front of him.