By Dan Gartland The league’s latest proposal is another blow to the minors. Good morning, I’m Dan Gartland here with another example of MLB owners being cheapskates. If you’re reading this on SI.com, you can sign up to get this free newsletter in your inbox each weekday at SI.com/newsletters. More penny pinching from MLBMLB, fresh off the massacre of dozens of minor league teams, wants to be able to make even more cuts to the minors, ESPN’s Jeff Passan reports. First, some background: In December 2020, the league axed 42 minor league teams, reducing the total number of affiliates to 120 (one t…