At least 21 Baltimore Ravens are in line to enter some form of free agency March 18 when the next NFL business year begins. And we’ll take time over the next few weeks to study some of those players, their potential market value and the likelihood that they return to Baltimore. We continue today with a look at a veteran wide receiver.

Player: Wide receiver Seth Roberts

Age: Turns 29 this month

2019 stats: 21 receptions for 271 yards and two touchdowns

Estimated market value: $2.4 million per year, according to OverTheCap.com.

This valuation might be a bit generous considering Roberts signed a one-year contract worth $2 million to join the Ravens last offseason after the Raiders released him. Though Roberts contributed to the NFL’s top-ranked offense, he experienced a dip in most statistical categories; his 271 receiving yards were his lowest in any season since he spent 2014 on Oakland’s practice squad.

Roberts also doesn’t have the type of high-end size or speed that might cause some team to overpay him in hopes of uncovering a potential star.

What Roberts can bring to an NFL roster is toughness, durability and versatility. He’s played at least 15 games each of the past five seasons and has earned praise for his skills as a blocker, which endeared him to coaches in Baltimore.

The Ravens benefit from Roberts’ play in 2019, and that could help him extend his career into 2020 if he can find the right fit.

From Roberts’ perspective

It’s unlikely Roberts signs a multi-year contract with significant guaranteed money after an unsightly drop in the Ravens’ postseason loss to the Titans brought a modest 21-catch season to an end. So he’ll have to decide what he’s looking for in his next contract.

Will he jump at the first team that offers him a chance to compete for a job in training camp? Might he hold out to try to play for a well-positioned title contender (like the Ravens) or find a potential path to starting role during his final year in his 20s? Or is the former undrafted free agent out of West Alabama simply going to sign the most lucrative deal he comes across?

While Roberts won’t be batting away potential suitors, he can consider what he wants most and aim to angle his way toward it in free agency.

From the Ravens’ perspective

Roberts played about 50 percent of the Ravens’ offensive snaps in 2019 and was on the field more often than Pro Bowlers like Mark Andrews, Mark Ingram and Patrick Ricard.

That’s not to say he was more important to the Ravens’ success than those players. But it’s an indication that Baltimore did value Roberts and lean on him as a productive blocker and savvy veteran who could run routes from the slot or the outskirts of the offense.

Despite Roberts’ costly error in the divisional round of the playoffs — he let a potential deep completion slip through his hands — he appeared to develop a strong connection with MVP quarterback Lamar Jackson, whom he calls “Freaky L.” All this gives Baltimore incentive to at least consider a reunion with Roberts.

The problem is that the team might want to clear more playing time for 2019 third-rounder Miles Boykin and any potential additions. The Ravens have enough cap space and draft resources to upgrade talent at wide receiver, and if they do so, it’d be difficult to find space for Roberts on the roster.

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Aaron Kasinitz covers the Baltimore Ravens for PennLive and can be reached at akasinitz@pennlive.com or on Twitter @AaronKazreports. Follow PennLive’s Ravens coverage on Facebook and Youtube.