The Detroit Lions moved quickly to snag Justin Coleman in free agency, and the cornerback could be primed to make the team look smart for doing so early on in 2019. Recently, Austin Gayle of Pro Football Focus commented that he believed Coleman, who just scored on the open market in Detroit, could actually be underpaid in the grand scheme given how good he plays.

Here's a look at what Gayle wrote:

"Detroit signed Justin Coleman to a four-year, $36 million contract this offseason, which made him the NFL's highest-paid slot corner before Chris Harris Jr.'s new deal. And he still might be underpaid. He's a top-five slot corner in the NFL right now," Gayle tweeted.

Coleman went undrafted and played his first two seasons in the NFL with the New England Patriots. He only started three games but broke up eight passes. He joined the Seattle Seahawks in 2017 and took a greater number of snaps. He started seven games and broke up 19 passes. Though he's mostly been a No. 3 cornerback in his career, he's proven capable of taking on No. 2 cornerback duties when needed. So Coleman is an intriguing player — potentially an 'under the radar' signing for the right price. The Lions hope they got that price in the end.

Coleman himself is no slouch at doing just what the Lions need him to do, which is create turnovers. In his career, he's picked off three passes, scooped up three fumbles and scored one touchdown. The Lions scooped him up for just these reasons, and if Coleman disrupts on that level, the Lions will be very happy with their new addition.

Free agency was fairly profitable for Detroit, as they ended up with a pretty good group. The Lions signed Trey Flowers, Jesse James, Coleman, Rashaan Melvin, C.J. Anderson and Andrew Adams, and still managed to save plenty of money under the cap for the future.

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As a result, Detroit was wide open in terms of what they could do in the draft. They didn’t have to force any position simply because of need, and while they still had plenty of needs across the roster, they had done a good job to address most of them entering the draft. The players already signed give the Lions the makings of some excellent depth to start 2019, and depth is the only way they will take the step from pretender to true contender. Safe to say the buzzword for this draft in Nashville was overall depth for the team, and that proved true when looking at the whole picture.

In the first round, the Lions nabbed T.J. Hockenson from Iowa. In round two, the Lions added linebacker Jahlani Tavai. Round three brought Boston College safety Will Harris. Round four saw the team pick up defensive end Austin Bryant, In round five, the Lions drafted cornerback Amani Oruwariye. Round six saw wideout Travis Fulgham and runner Ty Johnson and finally, the Lions closed out the draft by picking tight end Isaac Nauta and defensive tackle PJ Johnson in round seven.

Combined with a young linebacking group, there is a hope that the Lions could turn into one of the NFL's more elite groups on defense if they are able to continue the arrow trending upward, and with a new offensive mindset, they could take new strides with some additions there as well. Certainly, there is reason for hope that could soon be the case, as they've already got a nice place to start with some solid and budding talents on the field. Getting plenty of quality draft picks and free agents into the mix will help this turnaround further.

Coleman will be a huge piece for the Lions, and fans can be excited to watch him given the sneaky value they might be getting in the cornerback.