Bennett started all 16 games for Seattle last season and had 8 1/2 sacks. Johnson caught five passes and appeared in 10 games for Philadelphia.
The move bolsters Philadelphia’s already dominant defensive line, which was one of the keys to its Super Bowl LII victory. That unit will feature veterans Fletcher Cox and Brandon Graham and 2017 first-round pick Derek Barnett.
And Seattle could be making more personnel moves before the day is through. Cornerback Richard Sherman has reportedly been saying goodbye to teammates.
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