Seahawks HC Pete Carroll evaluated rookie RB Kenneth Walker following day 1 of rookie minicamp. “Ken, he took off now,” Carroll said. “He’s a rocket. He caught the ball really well today, too, which we’re really excited about.” Carroll went on to note that Walker already knows some of Seattle’s terminology, having come from a pro-style system at Michigan State. Carroll did confirm that Walker’s passing down usage is very much up in the air. “Let’s wait and see on that one, as far as making him a third-down guy,” Carroll said. “He’s got a ways to go, pass protection-wise. That’s a real challenge for him. So we’ll see. I know his attitude will be in it. He’s a terrific, competitive kid. That (pass protection) needs to be a priority, and we’ve already talked to him about that.” Walker’s reception upside will remain a storyline throughout the offseason.