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There’s apparently an offensive line Omertà in Indianapolis.

Left tackle Anthony Castonzo has struggled mightily in recent weeks, and coach Chuck Pagano opted on Wednesday not to address the subject.

“What’s up with Anthony Castonzo?” Pagano was asked by a reporter.

“Our focus is on Green Bay and Green Bay only,” Pagano replied.

“But he’s your left tackle.”

“So he’s focusing on this game,” Pagano said. “This is the next game.”

While technically correct, Pagano’s unwillingness to say anything about Castonzo says plenty. He’s struggling, Pagano knows it, and Pagano for whatever reason won’t discuss it.

Castonzo provided slightly more insight into his struggles. But not much.

“It can’t be, it’s the NFL,” he said regarding whether it’s hard to put a rough game behind him. “We have Green Bay coming up this week with great edge rushers and a good defense just like every other team in the NFL so there is really no time to dwell on past games.”

Castonzo said that fixing his problems is simply a matter of improving the little things.

“If it’s a one-on-one block and somebody gets beat, I think with any position in the NFL it comes down to fundamentals and technique,” Castonzo said. “That’s the base of the game. . . .

“We have confidence that we are good players,” Castonzo said regarding the entire offensive line. “I was just talking about fundamentals and technique, we just need to be more consistent with our fundamentals and technique and really trust it every play, play in and play out. Once we can settle into that, we know that we are good enough.”

Overall, the Colts as a team haven’t nearly been good enough. Pagano has said Sunday’s game at Green Bay will be a “defining” one for the team. Most, however, already have applied a definition to the 2016 Colts.