SportsPulse: USA TODAY Sports’ Mike Jones on the three things NFL fans should keep an eye on heading into training camps. USA TODAY Sports

Denver Broncos quarterback Case Keenum throws during OTAs May 29, 2018, in Centennial. Colo.(Photo: Jack Dempsey, AP)

In the lead-up to training camps, USA TODAY Sports will be breaking down the key questions facing each NFL team. Today, we look at the Denver Broncos:

Is Case Keenum the answer at quarterback?

For the first time since 2015, the Broncos will head to training camp this summer without an open competition at quarterback. Denver signed veteran Case Keenum in March, and, despite doing extensive research into the top quarterbacks in the draft, passed on picking a rookie. Instead, Keenum is entrenched as the starter, and former first-round pick Paxton Lynch and 2017 seventh-rounder Chad Kelly will compete to be No. 2.

“I appreciate it, for sure,” receiver Emmanuel Sanders said. “I went out to the team store and I saw Case Keenum jerseys. I was like, ‘Thank God, I don’t have to deal with that again.’ Case is our guy.”

If Keenum can duplicate the success he had after becoming the starter in Minnesota last season, the Broncos have a chance to compete in the AFC West. Yet if Keenum regresses, starts committing turnovers or can’t consistently lead scoring drives, the Broncos will find themselves in the quarterback market again.

More: Ranking NFL backup QBs by team: Who has best contingency plan?

More: Chargers training camp questions: Room for more stars in Los Angeles?

How warm is Vance Joseph’s seat?

John Elway considered firing Joseph after the Broncos finished 5-11 in Joseph’s first season as head coach but ultimately chose to retain him, although significant changes to his

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