Advanced Stats | Glossary | MLB.com

Introduction

The world of baseball analytics has become increasingly complex, with various advanced statistics used to gain a competitive edge. As the game continues to evolve, it’s essential to understand the different terms and concepts used in this realm. This article aims to provide a comprehensive glossary of advanced stats used in Major League Baseball (MLB), covering both offensive and defensive metrics.

Offensive Metrics

Batting Average (AVG)

Batting average is a fundamental statistic that measures a player’s ability to get hits. It represents the number of successful at-bats divided by total plate appearances. A higher batting average indicates better performance.

Example: A player with a .300 AVG has achieved 3 successful hits in every 10 plate appearances.

On-Base Percentage (OBP)

On-base percentage encompasses all ways a player reaches base, including hits, walks, and hit-by-pitches. It offers a more comprehensive view of a hitter’s overall performance. A higher OBP signifies better plate discipline and ability to reach base.

Example: A player with an .400 OBP has reached base via 4 successful at-bats, 2 walks, or hit-by-pitch in every 10 plate appearances.

Slugging Percentage (SLG)

Slugging percentage measures the total value of a hitter’s blows, including doubles, triples, and home runs. It provides insight into a player’s power potential. A higher slugging percentage indicates more effective hitting.

Example: A player with a .600 SLG has hit 6 home runs in every 10 plate appearances.

OPS (On-Base Plus Slugging)

OPS combines on-base percentage and slugging percentage to provide an overall measure of a hitter’s performance. It represents the total value created at the plate. A higher OPS signifies better all-around hitting.

Example: A player with an .800 OPS has achieved both successful hits and home runs, resulting in higher overall value.

Defensive Metrics

Fielding Percentage (FPCT)

Fielding percentage measures a fielder’s ability to make plays on balls hit into their range. It represents the number of successful putouts divided by total chances. A higher fielding percentage indicates better defense.

Example: A shortstop with an .950 FPCT has successfully made 95% of ground balls and line drives in their range.

Range Factor (RF)

Defensive Runs Saved (DRS)

Ultimate Zone Rating (UZR)

These advanced defensive metrics require more expertise to fully comprehend. However, they all aim to quantify a player’s defensive performance by comparing the actual outcome to what would have been expected based on the fielder’s position and range.

Conclusion

Understanding advanced stats is crucial for any baseball enthusiast or professional looking to gain an edge in the game. By grasping these metrics, one can better analyze player performance, make informed decisions, and appreciate the intricacies of the sport.

As you delve into the world of advanced baseball analytics, remember that context is key. Always consider the specific situation, opponent, and game environment when interpreting these statistics. The next time you watch a game or engage in a discussion about baseball, try to apply this knowledge to better appreciate the complexities of the beautiful game.

How do you think advanced stats can be applied in real-world situations? Share your thoughts!

Advanced Stats Guide on MLB.com