Drew Lock's 29-yard touchdown pass secures Seahawks' victory.
The touchdown to Jaxon Smith-Njigba completes a 92-yard drive.
The win ends Seattle's four-game losing streak.
Lock, in his second start, played in place of the injured Geno Smith.
DK Metcalf key in decisive drive with three receptions.
Seattle rallies from an early 10-0 deficit.
Julian Love's two interceptions seal the Eagles' fate.
Love's fourth-quarter interception prevents Eagles from extending the lead.
Lock contributes as a lead blocker on Kenneth Walker III's touchdown run.
Walker finishes with 86 yards rushing.
Seattle joins a playoff race with four teams at .500.
Philadelphia misses a chance to move ahead in the NFC East, losing three straight.