Quick-hitting injury update ahead of third Detroit Lions' camp practice

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Allen Park — Detroit Lions coach Dan Campbell offered injury updates on several players ahead of Tuesday’s training camp practice.

Running back Sione Vaki

The second-year running back and special teams standout left in the early stages of Monday’s practice after a route-running drill. He had his left leg worked on by the training staff before it was determined that his day was done.

Campbell confirmed it’s a hamstring strain for Vaki, which is a minor setback for the team’s plans for the young talent.

“Vaki is a guy, that was unfortunate, and we didn't have him in the spring,” Campbell said. “We're really high on him from an offensive standpoint. Certainly, special teams. He really helped us on special teams and we feel like he can do that again. But offensively, just to see what we can do with him, see if we can expand his role. We feel like, just athletically, size-wise, explosiveness, power, there's versatility in what he can do. He might be able to play multiple roles, multiple positions. This kind of sets us back.”

Vaki, a converted safety out of Utah, saw just 26 offensive snaps as a rookie.

Defensive tackle Roy Lopez

Lopez also exited Monday’s practice with an injury. Campbell said it will be at least a couple of days before the free-agent addition returns after he got cleated.

“He got stepped on,” Campbell said. “He got stepped on with a cleat and the cleat twisted on top of his foot.”

Lopez was signed to a one-year deal this offseason after spending the past two years with Arizona. He had been working with the second-team defensive line and is expected to provide rotational depth behind DJ Reader.

Cornerback Khalil Dorsey

Dorsey was one of a handful of players working on the side during Monday’s practice. The cornerback is still working his way back from a broken leg he suffered in December.

“I would say Dorsey is probably the closest (to returning) from that group,” Campbell said. “We're hoping, man, late camp, we get Dorsey back. He's doing well. He's running. His speed is there. Now it's about being able to put your foot in the ground, make a transition, all that. But he's progressing. He's getting better and better.”

Dorsey is a key special teamer for the Lions, particularly his role as a gunner on Detroit’s record-breaking punt coverage group.

Linebacker Malcolm Rodriguez

Campbell projected Rodriguez to have a November timeline earlier this offseason, but bumped that up a month on Tuesday.

“He's doing good, doing really good, but I think he's another October guy,” Campbell said.

A top reserve and key special teamer, Rodriguez suffered a torn ACL in November.

Guard Miles Frazier

Frazier landed on the physically unable to perform list late last week. The coach said the rookie offensive lineman is dealing with a knee injury that will likely keep him sidelined until September or October.

Defensive tackle Mekhi Wingo

Wingo is working his way back from a November meniscus injury. Campbell projected him back in September.