Prospect Hits and Misses

A look at the unpredictable nature of prospect development, highlighting top prospects who failed to meet expectations and late-round gems who became superstars.

The top 3

1. Top 3 Most Hyped Prospects Who Didn't Pan Out: Mark Appel, a No. 1 overall pick (2013), struggled with mechanics and confidence, not debuting in MLB until nearly a decade later. Kevin Maitan (2016), once compared to Miguel Cabrera, saw his conditioning decline and bat never develop. Jahmai Jones (2015), a five-tool player, stalled in the upper minors and became a journeyman instead of an All-Star.
2. Top 3 Late-Round Draft Picks Who Became Superstars: Mike Piazza, a 62nd-round pick (1988), defied odds to become a Hall of Fame catcher. Albert Pujols, selected in the 13th round (1999), developed into one of baseball's greatest sluggers. John Smoltz, a 22nd-round pick (1985), became a Hall of Fame pitcher for the Atlanta Braves.
3. Top 3 Impactful International Free Agent Signings: Mariano Rivera (signed 1990, New York Yankees) became a Hall of Fame closer, redefining the role. Miguel Cabrera (signed 1999, Miami Marlins) developed into a future Hall of Famer and Triple Crown winner. Jose Altuve (signed 2007, Houston Astros) rose from a lesser-known signing to an MVP and World Series champion.

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