The Chiefs put their first preseason action in the books with Saturday night’s 19-16 win against the San Francisco 49ers. Nothing the Chiefs did was perfect, however, given the nature of preseason action. Final scores also shouldn’t be read too much into. Starters also tend not to see much action, going no more than two series, or just one in some cases. Called plays tend to be scaled back, but coaches use the games as part of the evaluation process, specifically how well the plays are executed and if players are following assignments. An example of execution is Shane Buechele flawlessly leadi…