ALLEN PARK -- The Detroit Lions will wrap up their offseason program today with their final OTA of the spring. They'll now break for about six weeks before returning to team headquarters for the start of training camp on July 27.

But first, here's a look at 12 things we learned from the five practices Detroit opened to the media.

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Teez the leader for CB2

With everybody except D.J. Hayden back at cornerback, plus DeShawn Shead added to the mix in free agency, there was no telling who would start opposite Darius Slay. Would Nevin Lawson reclaim that job after signing a two-year, $9.2 million deal to come back? Or what about Shead, who started 22 games in Seattle's loaded secondary? Based on what we saw throughout OTAs and minicamp, the likeliest answer right now actually appears to be behind Door No. 3.

Teez Tabor didn't play much as a rookie, which troubled some who thought a second-round pick should be on the field right away. But Tabor blew away coaches with his football IQ in the film room, and by how quickly he picked up the game on the practice field. By year's end, he was cracking the rotation. And now he's been getting more first-team run than anybody else at that second outside cornerback spot. The gig is far from won, but it's clear Tabor will open training camp as the favorite for CB2.

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Agnew has a shot, too

Agnew might have been an All-Pro on special teams as a rookie, but he played just 12 defensive snaps until the final game of the season. That could change this year. Agnew got lot of time with the first team in the slot, as Detroit figures out what exactly it has in the second-year pro. And if he does win that job, the Lions are going to have a whole lot of speed on the field in the secondary between Agnew and Darius Slay. (Though Tabor is not exactly a burner.)

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Welcome to the LeKerryon Show

OK, these guys need a better nickname. But based on what we saw during OTAs and minicamp, there's no doubt some combination of newcomers LeGarrette Blount and Kerryon Johnson will shoulder the bulk of the rushing duties this season. They were the top backs for basically every drill, team or otherwise. Who knows which will start the opener, but that probably won't matter much anyway. They're two very distinct backs, and who starts could just be a matter of the week and matchup. Johnson for speed and outside situations (though he can mash inside too), and Blount as the power complement. With Theo Riddick still offering a whole lot in the passing game, the biggest mystery at running back remains who wins the fourth job. Ameer Abdullah has a strong case based on his athleticism and experience, but Zach Zenner can do more on special teams and is also the better pass protector.

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Jace is making serious roster push

Jace Billingsley has a shot. It'll be a long one, sure, and such is life in the back end of perhaps the NFL's deepest receiver corps. Golden Tate and Marvin Jones were the NFL's only teamates with 1,000-yard seasons last year, while Kenny Golladay is a monster in training. They're all back, too, and so is TJ Jones, who is coming off a strong season backing up all three receiver positions. Billingsley, meantime, only plays the slot.

Having said all that, it was impossible to watch those five practices that were open to the media and not come away with the notion that Matt Patricia and Co. are legitimately interested in seeing what Billingsley could offer this offense. Team rules prohibit reporters from revealing specifics about formations, but let's just say Billingsley was used creatively and in several different capacities. And when Tate skipped the final open OTA, it was Billingsley who was plugged into the first team. To repeat: His chances aren't great because of all the depth at that position. But don't count him out either. Few are straddling the roster bubble more squarely than him heading into training camp.

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Ziggy watch continues

The Lions will pay Ezekiel Ansah $17.143 million this season, which is more than the average salary of any other defensive end in the league. Except, he was barely on the field during the offseason program, just like last year, and that doesn't exactly inspire confidence he's ready to shake off two injury plagued seasons. What was interesting, though, was where he was practicing when he was out there. He participated in linebacker drills multiple times, and is expected to be used in a variety of roles -- including as a stand-up linebacker -- in Matt Patricia's versatile defense. There's a lot of intrigue building over how exactly he'll be deployed -- and, of course, how well that body will hold up.

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UDFA stands out

Like most teams, the Lions usually carry a undrafted rookie or two every year. Through OTAs and minicamp, Teo Redding looks like the most promising one in this year's class. He's rail-thin at 6-foot-1 and 181 pounds, but has terrific speed and can jump through the gym. His vertical at Bowling Green's pro day was 38.5 inches, which would have placed third at the combine had he been invited. It showed in Allen Park, too, where he won more deep balls than any other receiver during periods open to reporters. Granted, he was working exclusively against the third team. But the speed and athleticism are undeniable, and they led to some of the most impressive plays of the spring. Like Billingsley, he's going to have a difficult time overcoming the depth at receiver. But there's enough talent there to make things interesting in camp.

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Surprise at fullback

It sure seemed like the Lions were interested in bringing back the fullback, based on their decision to, you know, draft a fullback. Open practices affirmed this notion, too, although the guy who is expected to land the job is a bit of a surprise. Former linebacker Nick Bellore split his time at fullback last year, then donned a white practice uniform with the rest of the offense this offseason. He's making the transition to the offensive backfield full time, and was repping ahead of seventh-round pick Nick Bawden even before Bawden suffered what reportedly is feared to be an ACL injury. And based on what we saw in practice, he could see plenty of the field in the fall as Detroit expands its two-back formations.

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Ragnow's a guard, period.

When the Lions took Taylor Decker in the first round two years ago, Jim Caldwell tried to claim there wasn't a plan for him. But of course there was a plan for him. And that plan was to play him at left tackle. He was there for the start of rookie minicamp, and has yet to take a snap anywhere else.

It sure seems like Frank Ragnow is on a similar trajectory. Detroit might have sidestepped questions about the plan for him after taking him in the first round in April's draft, but he's been at left guard throughout the offseason program, including for every single snap open to reporters. It wouldn't be a surprise to see him get some cross-training at center at some point, to have a Plan B or Plan C or whatever in place should you-know-what hit the fan. But the Lions are in the middle of converting him from center to left guard, and it would be an absolute shock to see him anywhere else on Sept. 10.

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Kenny is looking like a G

Kenny Golladay dominated in the red zone during practice last year, and showed flashes of that when he was healthy during the regular season. He also showed a penchant for the deep ball. And I believe we're going to see even more of that in 2018. Detroit has a deep secondary these days, and Golladay has blown it apart during red-zone drills. I don't know what his overall production numbers will look like because Golden Tate and Marvin Jones will continue to be the preferred options, but their presence also means Golladay is going to see more favorable matchups from defenses, and he has the physical ability to exploit them.

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Quandre's a safety (for now)

There were a lot of people wondering whether Diggs would return to the nickel, where he played most of his first three seasons in Detroit, or if he would stay at safety, where he played well as an injury replacement in the final month of last season. The answer, at least to this point, is the latter. Diggs did take a few reps in the slot, but he was mostly at safety during practices open to reporters. Then again, Glover Quin skipped all of OTAs and Tavon Wilson was held out of all team drills as he returns from shoulder surgery. So it's possible Diggs is repping back there because that's where he needed. My gut tells me, though, he's a safety.

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A good ol' fashioned QB battle

Matthew Stafford is one of the best quarterbacks in the game, and is currently riding the eighth longest QB start streak in history. There's no drama there. But behind him, a battle is brewing between Jake Rudock and Matt Cassel. They alternated second- and third-team work during practices open to reporters, and there wasn't a whole lot of separation. Both had moments, and both had lapses. Rudock has better command of the offense and way better mobility, but Cassel has seen way more after 13 years in the league. He could be an asset in the QB and film rooms, and my money is on Matt Patricia putting a premium on that. No matter who lands the gig, don't expect Detroit to burn a third roster spot on a QB. This battle is win-or-go-home.

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Yes, they're running

I've tried my best to avoid this non-story. But now it's hitting the national media, and people seem to think there's something to it, and even one star player was mocking the story at the end of practice Monday, so please forgive me for quickly addressing this.

Yes, the Lions are running more than they did under Jim Schwartz and Jim Caldwell. No, it doesn''t mean anything. And hell no, Matt Patricia isn't close to losing this team. He has that New England pedigree, and everyone knows it. He commands the respect of the players because of it, especially defensively, because they know what this coach could do for their careers. And if that means running a few sprints after screwing up, or at the end of practice, so be it. Newsflash: Bill Belichick has his guys running up a damn hill in New England, and nobody is saying he's close to losing that team. And of course not, because he wins. If Patricia wins, he's not going to lose this team either. And of course, if he loses, sure, players are going to be more bitter about everything, including running. That's how it works. And believe me, there's nothing more to it than that.