Sources believe Lamar Jackson turned down Baltimore Ravens' contract offer worth about $250 million

Although Lamar Jackson and the Baltimore Ravens have kept details of their contract negotiations private, league sources believe the star quarterback turned down an offer worth about $250 million.

The Ravens also balked at Jackson's wish for a fully guaranteed deal similar to Deshaun Watson's, sources told ESPN, prompting the sides to table contract talks until after the 2022 season.

Sources told ESPN the Ravens' proposed contract was believed to pay Jackson a higher average salary and more guaranteed money than deals signed this summer by Broncos quarterback Russell Wilson and Cardinals quarterback Kyler Murray.

Wilson signed a $242.5 million deal earlier this month that averaged $48.5…