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what does ops mean in baseball – what does ops mean in baseball – baseball-humour

what does ops mean in baseball
In baseball, “OPS” stands for “On-base Plus Slugging.” It is a composite statistic that combines a player’s on-base percentage (OBP) and slugging percentage (SLG) to provide a single measure of a player’s offensive performance. Here’s a detailed explanation of OPS and its components:

Components of OPS

  1. On-base Percentage (OBP)
    • Formula: (Hits+Walks+Hit By Pitch)/(At Bats+Walks+Hit By Pitch+Sacrifice Flies)(text{Hits} + text{Walks} + text{Hit By Pitch}) / (text{At Bats} + text{Walks} + text{Hit By Pitch} + text{Sacrifice Flies})
    • Description: OBP measures how frequently a player gets on base. It accounts for hits, walks, and times hit by pitch, thus reflecting a player’s ability to avoid making outs.
  2. Slugging Percentage (SLG)
    • Formula: (Total Bases)/(At Bats)(text{Total Bases}) / (text{At Bats})
    • Description: SLG measures the power of a hitter by calculating the total number of bases a player earns per at-bat. Singles count as one base, doubles as two, triples as three, and home runs as four.

Calculation of OPS

To calculate OPS, simply add the on-base percentage (OBP) and slugging percentage (SLG):

OPS=OBP+SLGtext{OPS} = text{OBP} + text{SLG}

Example Calculation

Suppose a player has the following statistics:

  • Hits (H): 50
  • Walks (BB): 20
  • Hit By Pitch (HBP): 5
  • At Bats (AB): 150
  • Sacrifice Flies (SF): 3
  • Total Bases (TB): 90

Step-by-Step Calculation:

  1. Calculate OBP:

OBP=50 (Hits)+20 (Walks)+5 (Hit By Pitch)150 (At Bats)+20 (Walks)+5 (Hit By Pitch)+3 (Sacrifice Flies)text{OBP} = frac{50 text{ (Hits)} + 20 text{ (Walks)} + 5 text{ (Hit By Pitch)}}{150 text{ (At Bats)} + 20 text{ (Walks)} + 5 text{ (Hit By Pitch)} + 3 text{ (Sacrifice Flies)}}

OBP=75178≈0.421text{OBP} = frac{75}{178} approx 0.421

  1. Calculate SLG:

SLG=90 (Total Bases)150 (At Bats)text{SLG} = frac{90 text{ (Total Bases)}}{150 text{ (At Bats)}}

SLG=0.600text{SLG} = 0.600

  1. Calculate OPS:

OPS=OBP+SLGtext{OPS} = text{OBP} + text{SLG}

OPS=0.421+0.600=1.021text{OPS} = 0.421 + 0.600 = 1.021

Interpreting OPS

OPS is valued because it encapsulates both a player’s ability to reach base and their hitting power. The higher the OPS, the better the player is considered to be offensively.

  • OPS Scale:
    • 1.000 and above: Outstanding
    • .900 – .999: Excellent
    • .800 – .899: Very good
    • .700 – .799: Above average
    • .600 – .699: Below average
    • Below .600: Poor

Uses of OPS

  1. Player Evaluation: OPS is widely used to evaluate a player’s offensive value because it combines the ability to get on base with hitting for power.
  2. Comparative Analysis: It allows comparisons between players, providing a quick snapshot of a player’s overall offensive contribution.
  3. Advanced Metrics: OPS is often used as a starting point for more advanced metrics, such as OPS+, which adjusts for park factors and league averages.


OPS is a valuable statistic in baseball that provides a comprehensive measure of a player’s offensive performance by combining on-base percentage and slugging percentage. It is a quick and effective way to gauge a hitter’s overall effectiveness at the plate, making it an essential tool for players, coaches, analysts, and fans.

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