NFL.com's Ian Rapoport is also reporting the Seahawks may try to trade away defensive lineman Ahtyba Rubin citing a source, with the Denver Broncos a likely trade partner. The two players started feuding publicly last December, when Richardson called out Marshall for saying the Jets should be "embarrassed" by a blow-out loss against the Patriots.
Seahawks owner Paul Allen expressed his regards for Kearse via Twitter.
Richardson was a Pro Bowl pick in 2014.
The teams are also swapping 7th round picks, according to the following tweet from Adam Schefter of ESPN.
Seahawks wide receiver Jermaine Kearse motions on the field during the first quarter of Super Bowl XLVIII against the Denver Broncos at MetLife Stadium on February 2, 2014.
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Just over 24 hours from the 53-man roster deadline, the New York Jets and the Seattle Seahawks have pulled off a monster trade.
Adding Jermaine Kearse upgrades an very bad and inexperienced New York Jets recovering core that has been reeling from losing number one receiver Quincy Enuwa for the season.
After a 2015 season in which Kearse amassed 685 yards and five touchdowns, the Seahawks wide receiver's yards and touchdowns both went down in 2016, although his targets were up.
There was also a little cost in re-working the contract of Doug Baldwin to convert most of his 2017 salary into signing bonus, allowing the Seahawks to gain nearly $6 million in cap room for this year, cap hits that the team will now take in 2018, 2019 and 2020.
But he was suspended twice for off the field incidents. The move cleared over 5-million dollars in cap space.
The next couple of days will be fretful ones for many players around the league and that group looks like it will include Seahawks wide receiver Jermaine Kearse.