Jalyn Armour-Davis is a freshman defensive back at Alabama (Mark Almond)

It's this time of year, through these Scott Cochran-led workouts and 7-on-7 passing sessions, when Alabama summer enrollees get their first opportunity to make an impression on others inside the Crimson Tide program.

It's also an important time for the players that were already on the roster.

With that said, here are some of the freshmen and some of the lesser-known veterans that I'm hearing have been standing out during the Tide's summer workouts:

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Word is that the Mobile native has been very impressive.

Like Alabama's other freshmen defensive backs, Armour-Davis has good height at 6-1 and may be the Tide's fastest defensive back.

Armour-Davis was the 13th-best cornerback and 107th-best overall prospect in this year's recruiting class according to the 247Sports Composite rankings.

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Vasha Hunt

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One person described Jobe as a "freak."

He's 6-foot-1, athletic, much more developed physically than the typical freshman as well as physical and competitive.

He's also older than most freshmen, 20, and more mature than a lot of guys when they first arrive at college.

It seems like the plan is for Jobe to start out at cornerback.

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247Sports

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Kief continues to put himself in position to be Alabama's No. 4 receiver.

The 6-4 Kief got a lot of reps with the first-team offense during the spring once Jerry Jeudy went down with a knee injury and seems to now be having a good summer.

He's tall, rangy and - most importantly for Tide coaches - intelligent and dependable.

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Vasha Hunt

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This is the most Derek Kief thing I’ve ever seen. Just Walks away like nothing happened... pic.twitter.com/MRutaVCKKd — Andrew Chandler (@Ajchandler24) September 25, 2017

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Mayden will be in the mix for playing time at defensive back.

The 6-foot, 195-pound Texas native was a backup cornerback last season, ended this spring as a backup safety and is someone to keep an eye on for Alabama's sixth defensive back job.

Word is that Mayden ran a 40 in the low 4.4 range during the Tide's spring testing. He also had an interception during Alabama's spring game.

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Vasha Hunt

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McKinney is emerging as one of Alabama's defensive leaders.

He'll start at safety, can slide down and play the Money spot when the Tide goes into its dime defense and appears to be ready for a breakthrough year.

People at Alabama believe McKinney has first round-type ability.

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Vasha Hunt

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Let's GOOOOO

Xavier McKinney 305lbs too easy. pic.twitter.com/ThITq5npBK — Scott Cochran (@CoachYeah) March 23, 2018

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You don't just throw around Minkah Fitzpatrick's name for anybody, but Surtain seems to have some Fitzpatrick-like characteristics.

Surtain, the top-ranked cornerback in this year's recruiting class, has good size at 6-1, 200 pounds and is apparently way ahead of the curve in terms of learning Alabama's defense.

Look for him to push Shyheim Carter for the Tide's nickel back job.

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247Sports

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If you watch Waddle's high school highlight video, it won't take you long to realize that he's very fast and a playmaker.

And he's off to a good start with the Tide.

He's only 5-10 and 175 pounds. But Waddle, who was a top-40 recruit, will probably make some wow-type plays during fall camp.

He'll work in the slot and may also end up being in the mix for a job as a returner.

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247Sports

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It would be a surprise at this point if Williams doesn't end up starting.

The Birmingham native had a great spring and seems to be building on that this summer.

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Vasha Hunt

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Quinnen Williams is always making plays when he's in. Beast 💪🏽🐘🏈 pic.twitter.com/Y7SQZWyC2c — West Coast Tide Fans (@WCTideFans) November 5, 2017

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Waddle isn't the only new receiver doing well this summer.

The 6-foot-1, 190-pound Williams has some ability, too, and has done some good things during 7-on-7s.

Alabama has obviously had a lot of success recently with receivers from South Florida...

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247Sports

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