As quarterback dominoes continued to fall throughout the NFL on Monday — Matt Ryan from Atlanta to Indianapolis, free agent Marcus Mariota to Atlanta to take Ryan’s place, Jameis Winston to New Orleans — the Seahawks introduced Drew Lock to the media. And if the timing may have been a coincidence, there are also signs that the Seahawks think Lock, acquired 13 days ago in the Russell Wilson trade, may do more than say hello in Seattle and instead could create a lasting impression. The Seahawks don’t appear to be seriously pursuing Baker Mayfield and could be content to go with Lock, Geno Smith …