ENGLEWOOD — A behind-the-scenes look at Broncos training camp practice Monday with observations and analysis from The Denver Gazette:

Play of the day

Tight end Evan Engram caught a deep pass in 7-on-7 from quarterback Jarrett Stidham. Engram made an impressive leaping grab near the sideline and sprinted downfield for a would-be touchdown. He hauled in several nice grabs throughout the course of practice.

Position battle

Running back: The Broncos wore full pads for the first time in training camp, and during 11-on-11 periods, the running backs were heavily featured. J.K. Dobbins and RJ Harvey earned the bulk of carries with the first-team offense. Both made several nice runs. But it’s difficult to accurately judge running back play until preseason games start. The starting job is still up for grabs.

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Stock rising

RT Alex Palczewski: The reserve offensive lineman is getting extra work in training camp. Starting right tackle Mike McGlinchey dressed in full pads but was not full-go in team periods. Palczewski — after making three starts last season — filled in with a positive endorsement from head coach Sean Payton.

“He’s played a lot of football,” Payton said Monday. “He’s smart. He can go inside and play guard. He can play tackle. He can play the jumbo tight end. … He’s strong. We didn’t feel like there was a step backwards when he was playing.”

Stock falling

Weather: The heat is on for training camp. The afternoon temperatures at Broncos Park soared into the upper-90s with no shade relief for fans sitting in the temporary stands south of the practice fields. Some good news? Temps are expected to drop over the next several days.

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Attendance check

All active players were in attendance Monday for training camp practice at Broncos Park.

Injury report

Inside linebacker Drew Sanders will miss at least four-to-six weeks with a ligament injury in his foot, Payton said, suffered during practice on Saturday.

Inside linebacker Alex Singleton walked off the practice field Monday alongside an athletics trainer. Singleton appeared to be looking at his hand. It was later confirmed that he suffered a broken thumb. Singleton is expected to miss about a week and will return with a club cast on his hand.

Wide receiver A.T. Perry watched practice while on the physically unable to perform list (PUP).

What’s next

Training camp continues with practice at 10 a.m. Tuesday at Broncos Park. Expect increased physicality as players adjust to wearing pads.

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Ticket information

Free mobile tickets required for entry to open practices are sold out. Fans can return their tickets by emailing tickets@broncos.nfl.net up to 30 minutes after the start of practice each day. Refunded tickets will be made available to the general public through Ticketmaster on a day-to-day basis.

Tuesday is the next training camp practice open to fans with attendance limited to 800.