AFC West

Kansas City Chiefs make big splash, agree to deal with All-Pro offensive lineman

One year after the Chiefs made a Patrick Mahomes contract extension their top priority, they’ve shifted their focus to doing more to protect that investment. This is quite a start. The Chiefs have agreed to a five-year contract with former New England Patriots lineman Joe Thuney, according to his agent. The deal is worth up to $80 million, according to ESPN. The deal can not become official until the new league year opens at 3 p.m. Wednesday. But the league-wide negotiation period opened Monday. The Chiefs immediately reeled in a big investment, made possible with the restructure of several ve…