Over the course of a given minor league season, there are countless pitching prospects who, seemingly out of nowhere, emerge as viable candidates for a spot in a major league bullpen.
Typically, the quick risers are pitchers who boast both a high strikeout and low walk rate while stranding a majority of their inherited runners. Unlike starting pitchers and position prospects, a relief pitcher’s age doesn’t matter, as their swing-and-miss arsenal and overall effectiveness are the primary, determining factors. However, it’s only the especially dominant pitchers who receive consideration as a future closer.
Here is a look at 10 prospects with the potential to close games in the major leagues.