Bears coach Matt Nagy pleased with Mitch Trubisky’s ‘fast’ day at minicamp

Coach Matt Nagy started his three-day minicamp Tuesday by going back to the basics of his offense. The goal was to see whether quarterback Mitch Trubisky and Co. could play fast.

‘‘They had to understand the structure of this offense, and they didn’t know that coming into it,’’ Nagy said. ‘‘We had to lay the foundation. We did that.

‘‘Then we just loaded them up with a bunch of stuff to see what sticks and see what’s too much for them, so we can have this gauge when we get into the season as to what we can and can’t do — in particular, [Trubisky] and seeing what he can balance.’’

Nagy said Trubisky and the offense responded well to what he described as ‘‘the biggest challenge’’ and ‘‘question mark,’’ particularly when it came to the ‘‘special things’’ the offense can do out of each formation.

‘‘We pulled back today for the whole offense,’’ Nagy said. ‘‘[Trubisky] played fast, and you saw completions out there. That’s what it’s all about.

‘‘We’re growing, he’s growing, the offense is growing. The defense, again, they challenge us every day. [Defensive coordinator Vic Fangio’s] throwing a lot of different stuff at the offense.’’

Honoring a hero

On Monday, Nagy attended the funeral for Juan Bucio, the Chicago Fire Department diver who died while searching for a man — Alberto Lopez — who fell into the Chicago River.

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‘‘You remind your players every day of the sacrifice that they’re going through,’’ Nagy said. ‘‘It’s a lot of energy. There’s tiredness. There’s feeling sorry for yourself at times. And then you talk about a guy like Zach Miller, a guy that almost loses his leg. There’s sacrifices. So I’m not taking anything away from our players at all.

‘‘But you try to put it into perspective with somebody that loses their life trying to save somebody else. That’s real. That’s just the human element, the human side of it. There’s a lot of guys on our team that we talked about that situation, and it’s hard.’’

After seeing the support that Bucio’s family received, Nagy said attending the funeral at St. Rita High School on the South Side was a moment he’ll never forget.

‘‘I just felt it was important to show support from this organization,’’ he said. ‘‘It just goes to show you what this city is all about, how much everybody cares for each other and how we’re all here for one another. I just felt that was the right thing to do, and I’m very glad I did it.’’