Dickson spotted an open running lane, took off upfield, gained nine yards, and allowed Seattle to maintain possession and eventually run out the clock.
With his current contract expiring after this season, Thomas, 30, was still hoping to re-sign with the Seahawks. But now, after this injury, that appears unlikely.
One week after pleading guilty to charges of insider trading, free agent linebacker Mychal Kendricks reportedly has reached a deal with the Seattle Seahawks.