RENTON — Mike Macdonald is so process-oriented that when the Seahawks landed All-Pro guard Quenton Nelson this week, there wasn’t much of an emotional reaction.

What about when another team trades for good players to add to their rosters, especially teams the Seahawks are about to play? Does that draw a response from the Seahawks coach?

“What do you think?” Macdonald deadpanned on Thursday.

The Seahawks’ acquisition of Nelson seemed to break the seal on the NFL’s trade season. Within a few hours, San Francisco countered the acquisition of Nelson by trading for defensive tackle DeForest Buckner.…