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Antonio Brown is among the biggest names on the trade market. Joe Sargent/Getty Images

After a 4-12 season, the Oakland Raiders are expected to make a stronger push for the playoffs in 2019 and could be in the mix to land disgruntled Pittsburgh Steelers wide receiver Antonio Brown. League sources told ESPN's NFL insider Adam Schefter that the Raiders are one of three teams showing interest in Brown.

Schefter also listed the Washington Redskins and Tennessee Titans, among other unnamed teams, to have shown interest in the seven-time Pro Bowler. Ian Rapoport of the NFL Network also reported that the Raiders are interested in Brown.

"Teams have reached out," Steelers general manager Kevin Colbert said Friday on the NFL Network about the trade market for Brown. "We’ve had, I’d say, three teams that have touched base with us and we’ll see where that grows. I think it will continue to grow."

The Raiders, who didn't have a wide receiver reach 900 receiving yards in 2018, are loaded with 2019 draft picks, with the Steelers seeking a first-round pick in exchange for Brown, Schefter notes. Oakland has the fourth overall pick in the 2019 draft, as well as the No. 24 pick and the No. 27.

Brown turns 31 in July. He is coming off another productive season, tallying 104 receptions for 1,297 receiving yards and 15 touchdowns.

The Raiders have plenty of cap space. Brown is due to earn $15.1 million in 2019, which includes a $2.5 million roster bonus, and $11.3 million in 2020 and $12.5 million in 2021.

Teams can't complete trades until March 13 at 4 p.m. ET.

It's likely that the Raiders will draft a pass rusher with one of their first-round picks, with Josh Allen from Kentucky, Clelin Ferrell from Clemson and Nick Bosa from Ohio State among the possible targets.

Rapoport reported Saturday that the Raiders signed offensive lineman Denzelle Good to a one-year contract extension worth $1.8 million, and with a maximum value of $3 million. Good, 27, played in 26 total games for the Indianapolis Colts since 2015.