By Nick Selbe MLB’s best prospect is ready for his Kansas City debut. View the original article to see embedded media. Days ahead of the start of the 2022 season, the Royals have revealed that their top prospect doesn’t need any more time in the minors. Star infielder Bobby Witt Jr. will be on Kansas City’s Opening Day roster, the team announced on Tuesday. The decision means that the 21-year-old who’s widely viewed as the best prospect in baseball will make his MLB debut on Thursday. Witt, the No. 2 overall pick in the 2019 draft, had a so-so debut in Rookie ball at age 19 before taking the m…