The Pittsburgh Steelers learned after Sunday's 20-3 loss to the New England Patriots that Mike McCarthy had sensed trouble before kickoff. He says Wednesday and Thursday practices were not clean, yet the offense arrived in Foxborough unable to consistently block, protect or move the ball.

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Steelers' Mike McCarthy greets Mike Vrabel before a road game against the Patriots in 2026.
McCarthy favors reducing the number of plays when execution suffers so players can be more precise with what remains. He also mentioned hot temperatures and the challenges of a new staff working with its players.
Those factors invite an obvious question: if the warning signs were visible days before kickoff, why did Pittsburgh keep a plan its players could not execute? The practice week is now central to understanding Sunday's collapse. McCarthy took the podium on Monday to speak with several members of the media.
"The fact of the matter is, I have coaching principles that I believe in," McCarthy said. "One of them is less volume and more creativity, and I felt that over the course of the week. We had hot temperatures; temperatures were up and so forth. It just wasn't clean Thursday and Wednesday."
Heat can affect a practice, particularly when a team is rehearsing a crowded plan. It does not explain why that plan remained too demanding once McCarthy recognized his offense was struggling with it.
McCarthy also pointed to his first-year program. The staff is new, but he said the veterans have been exceptional about doing what it asked. That raises a question about coaching judgment as well as roster experience.
"First-year program, first-year staff, first year working with the players," McCarthy said. "The veteran players have been exceptional just as far as the things we have asked them to do."
The Steelers do have young players developing in significant roles, but they also have established veterans across the offense. Aaron Rodgers has seen nearly every pressure look an NFL defense can show. DK Metcalf, Jaylen Warren and Pat Freiermuth are experienced professionals. A new system can challenge that group, but its inexperience cannot be the entire explanation for three points.

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Steelers' DK Metcalf drops a pass during a win over the Atlanta Falcons to open up the 2026 season at home.
Pittsburgh converted two of 12 third downs and finished with 235 total yards against New England. Rodgers was sacked four times. One protection breakdown produced a blindside hit and a disastrous loss of yardage; a later strip-sack became a Patriots defensive touchdown. Each mistake gave fresh weight to McCarthy's description of practices that were not clean.
McCarthy had already taken responsibility immediately after the loss. He said he felt the problems Wednesday and Thursday, acknowledged that a veteran coach should have known better and promised to cut the offensive volume. The admission was direct, but it leaves Pittsburgh facing a practical challenge. Recognizing a problem has value only if the staff changes the plan before it costs the team a game.
Reducing volume should make assignments easier to communicate under pressure and give players more repetitions on calls they will actually use. Pittsburgh also has to protect Rodgers without letting opponents dictate every throw.
Steelers' Practice Problem Puts McCarthy's Odd Remarks In Perspective
The Patriots repeatedly put the Steelers in uncomfortable situations, and Pittsburgh failed to respond. McCarthy's heat comment matters because it appeared in an explanation of a week when he already sensed the offense was not executing cleanly.
The next practice week will test whether his proposed adjustment is meaningful. Fewer plays should allow more attention to protection calls, route timing and a run game that has struggled to establish rhythm. If the same errors follow the Steelers into another Sunday, trimming the plan will have changed the size of the problem without solving it.
McCarthy deserves credit for placing responsibility on himself, and he has time to correct course at 1-1. Fans can still question why the correction came after a three-point performance instead of during the practices that concerned him. The weather was one detail he mentioned. His decision about what to carry into the game is the detail that will matter most going forward.
Did McCarthy have enough warning to change the Pittsburgh Steelers' offensive plan before the Patriots game? Share your Steelers take with me on X at @anthonyghalkias, and follow me for more coverage.
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