NFL·PREVIEW·September 10, 2026 10:53 AM ET

Christian Parker becomes Cowboys' fourth defensive coordinator in four seasons

Dallas is among 13 teams changing defensive coordinators.

Wire Report IntelligenceUpdated Sep 101 min read

The Cowboys are among 13 teams that changed defensive coordinators. This is the fourth in four seasons for Dallas — Dan Via @WerderEdNFL on X

What happened: Dan Quinn, Mike Zimmer and Matt Eberflus preceded Parker in that order, per Ed Werder.

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Why it matters: The turnover puts continuity at issue for the Cowboys: each coordinator transition requires players to adjust to new leadership.

What to watch: Sunday night's opener will provide the first regular-season test of Parker's defense.

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