BOCA RATON, Fla. — NFL general managers assembled on a manicured lawn Monday for a quick, scenic snapshot. Everything seems possible for teams in these moments.

The Broncos, however, can picture a championship. They lived it last month and are determined to repeat.

In this unusual offseason of unexpected departures and arrivals, general manager John Elway continues to follow a strategy of patience and purpose in addressing his roster. During a break in the league meetings, Elway addressed the Broncos’ offseason, including outside linebacker Von Miller’s contract status and the unfinished business at the quarterback position.

The Broncos placed an exclusive franchise tag on Miller, at about $14 million for the 2016 season, meaning he isn’t going anywhere this year. Elway said the sides continue to discuss a long-term deal, and would like to reach an accord before off- season workouts begin April 18. Last year, Denver wide receiver Demaryius Thomas skipped the practices before signing a deal at the July 15 deadline.

“I don’t see the benefit of it but the (players) obviously do. But we are going to do everything we can and are hopeful we can come to some kind of agreement,” Elway said of Miller, who debuted Monday night on the ABC television program “Dancing With the Stars.”

“Von is a big part of this,” Elway said. “We want him to continue to be a big part.”

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The Broncos’ biggest question remains at quarterback after the retirement of Peyton Manning and free-agent defection of Brock Osweiler to Houston. The Broncos acquired veteran Mark Sanchez, whom they believe will adjust quickly, having played in a similar offense in college, but Elway made it clear that he’s not done.

“We will bring somebody in to compete. We are not going to just turn the job over to Mark now, even though I know he’s excited about competing for the job,” Elway said. “Everything is out there. There are a still a lot of guys. You never know what’s going to fall out of the tree. We are not in any rush.”

Other possibilities for the Broncos include San Francisco’s Colin Kaepernick, Houston’s Brian Hoyer, Tampa Bay’s Mike Glennon (all under contract) and free agent Ryan Fitzpatrick. Cincinnati continues to tell teams that it’s not trading AJ McCarron. Once considered a primary suitor for Kaepernick, Cleveland is moving toward signing Robert Griffin III, according to The Cleveland Plain Dealer. San Francisco must decide by April 1 whether to guarantee Kaepernick’s $11.9 million salary for 2016. With no known suitors or market for Kaepernick, Denver appears comfortable circling in a holding pattern.

Whoever plays quarterback for the Broncos, he will work behind a new offensive line. Elway signed left tackle Russell Okung and right tackle Donald Stephenson as free agents — leaving last year’s tackles, Ty Sambrailo and Michael Schofield, as candidates to move inside to guard, he said. As Elway stated, coach Gary Kubiak excels at finding the “best five” to play.

“We are excited about the bookends,” Elway said. “Donald is a young guy we think has a tremendous amount of upside. And Russell is a guy who has played solid the last five or six years, been on championships teams and knows what it takes. Plus, it gives us flexibility with the guys we have now with Sambrailo and Schofield (playing guard). Different guys can go different places. It opens us up for the draft, and we can get to the point where we can take the best player.”

Troy E. Renck: trenck@denverpost.com or @troyrenck