What is a Shortstop? Definition and Role
The shortstop is the infielder positioned between second and third base, responsible for covering the largest defensive area on the infield and typically the best fielder on the team.
What is a Shortstop?
The shortstop is the defensive position in baseball stationed between second and third base, responsible for covering the largest area of any infielder. The shortstop fields ground balls, turns double plays with the second baseman, covers second base on steal attempts, and serves as the cutoff man for throws from left field and center field. Because more batted balls are hit to the left side of the infield than any other area, the shortstop handles more defensive chances than any other position. The position requires exceptional range, a strong throwing arm, quick reflexes, and the ability to make throws from deep in the hole while off-balance. In modern baseball, the shortstop is also frequently the best all-around player on the roster — a premium defender who hits in the middle of the lineup.
How the Position Works
The shortstop stands approximately 20–25 feet from home plate, positioned between second and third base. His exact positioning shifts based on the batter's handedness, the pitcher's repertoire, and the game situation. Against a left-handed pull hitter, the shortstop shades toward third base; against a right-handed hitter, he shades up the middle. The shortstop's primary responsibilities include:
- Fielding ground balls hit to the left side of the infield
- Covering second base on double plays when the ball is hit to the second baseman
- Receiving throws from the catcher on stolen base attempts
- Acting as the relay man for throws from left field and center field
- Backing up throws to third base on bunts and grounders
The shortstop's throw to first base is the longest throw on the infield, requiring arm strength to reach 120+ feet with accuracy while throwing across his body.
Worked Example
In 2023, the average MLB shortstop posted a fielding percentage of .973, an Outs Above Average of +2, and a sprint speed of 28.1 feet per second. The elite tier — players like Dansby Swanson, Francisco Lindor, and Bobby Witt Jr. — posted OAA of +15 or higher and sprint speeds above 29 feet per second. Offensively, the average shortstop posted a .249 batting average and a .706 OPS in 2023. The modern shortstop is expected to contribute at the plate: Corey Seager posted a .327 batting average and .954 OPS while playing 119 games at shortstop in 2023, proving that premium defense and elite offense can coexist at the position.
Why Shortstop Matters
Shortstop is the most valuable defensive position in baseball because it covers the highest volume of batted balls and requires the most range. A difference of 10 plays made per season at shortstop translates to roughly 8 runs of defensive value — the same as the difference between a .280 and a .250 batting average over 600 plate appearances. Teams prioritize shortstop in the draft, in free agency, and in player development because finding a player who can handle the position defensively while contributing offensively is rare. The position also anchors the infield: the shortstop calls the defensive alignment, communicates with the third baseman and second baseman, and directs cutoffs and relays. In fantasy baseball, shortstop is one of the thinnest positions — only a handful of players post both elite defense and above-average offense, making them premium assets.
Limitations and Common Misconceptions
A common misconception is that any athletic infielder can play shortstop. The position requires a specific combination of first-step quickness, lateral agility, and arm strength that most players lack. Many players who shift from shortstop to second base or third base — like Manny Machado, who moved from shortstop to third base — see their defensive value drop because the position demands more range. Another misconception is that shortstops are primarily defensive specialists. Modern shortstops are expected to hit, and the position has evolved from a glove-first role to one that requires offensive production. Shortstop is also often confused with third base — but the third baseman has less range responsibility and more reaction-time responsibility, while the shortstop covers more ground.
Related Terms
In Legends Deck:
Legends Deck rates shortstop cards on a premium defensive curve — a shortstop card with an 80-grade range rating is worth significantly more than an 80-grade range rating at first base. The card's defensive attributes (range, arm strength, error avoidance) are weighted more heavily for shortstops than for any other infield position. A card with elite defensive ratings at shortstop but below-average hitting still carries value because the position scarcity drives demand.