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“Dan’s a guy that obviously has played a lot of football for us at a very important position. So, that’s not something that’s an easy thing to adjust to,” offensive coordinator Bill O’Brien said. “I’m very confident in Dan (Connolly) and what he’s going to be able to do for us.”

Belichick gave no update on Koppen’s injury. But the team is checking available offensive linemen not on the active roster.

“We evaluate our roster and all our options every week, especially early in the season when there are more options available,” Belichick said. “With each succeeding week, options start to diminish. The players that are available, that number decreases, and so forth. Every week, we’re looking at the players on our practice squad, we’re looking at other players.”

The Patriots play their home opener Sunday against the San Diego Chargers, who beat the Minnesota Vikings 24-17 on Sunday after trailing 17-7 at halftime. Perhaps more important, though? San Diego’s defense seems stronger than Miami’s.

“They’re an aggressive defense,” O’Brien said. “They’ve got a lot of good players at every position.”

And less than 24 hours after the Patriots‘ record-setting performance, he was eager to leave it behind.

“I just am thinking about San Diego and, really, whatever happened (Monday) night, I’m telling you, it really doesn’t matter as it relates to San Diego,” O’Brien said. “Every week in this league is a different week and, hopefully, this will be the last time that I’m talking about Miami until the next time we play Miami.”

And with a short week of practice between the Monday night and Sunday games, Belichick already is working on fixing the problems he encountered.

“It was our first regular-season game and … it was nice to come out of it with a win, but we know (each) week it’s going to get tougher, especially with the Chargers this week,” Belichick said. “They’re a real good football team.”

O’Brien concurred.

“There are a lot of things to improve on, a lot of little things,” he said. “It’s a detail-oriented game and, again, this is the week to really try to improve it because this is a heck of a defense that we’re going against on Sunday against San Diego.”