In a follow on adventure to Ballpark Mysteries #20: Satchel’s Stolen Strike, Kate and Mike are excited to visit America’s oldest professional ballpark, the former home of baseball legend Willie Mays. But things take a wrong turn when their new friend Buck, who looks just like the famous slugger, is accused of plotting to sabotage the big game. With Buck banned from the ballpark and strange, stinky mishaps putting the game in jeopardy, it’s up to Kate, Mike, and their friend Andy to uncover the real culprit and save the day—while clearing Buck’s name!