Midseason additions are galvanizing the Milwaukee Brewers as they look to challenge top teams in Major League Baseball. Andrew Vaughn and Jacob Misiorowski, both in the minors this past June under opposite circumstances, capture the unpredictability of midyear roster changes.

Rookie pitcher Jacob Misiorowski is poised to make history as he joins the National League All-Star roster. The Milwaukee Brewers right-hander replaces Matthew Boyd, potentially breaking the record for the fewest big league appearances before playing in the Midsummer Classic.