目前分類:棒球字典 (9)

瀏覽方式: 標題列表 簡短摘要

DER(Defensive Efficiency Rating)

Defensive Efficiency Rating is the ratio of team defensive outs recorded in defensive opportunities. To determine Defensive Efficiency Rating for a team, divide the total number of hits in play allowed (not including home runs) by the total number of defensive opportunities (all balls hit into play, not including home runs) and subtract from one: 1-((H-HR)/(PA-HR-BB-HBP-SO)).

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EqBRR (by BP)

Equivalent Base Running Runs. Measures the number of runs contributed by a player's advancement on the bases, above what would be expected based on the number and quality of the baserunning opportunities with which the player is presented, park-adjusted and based on a multi-year run expectancy table

EqBRR 基本上是個評斷球員跑壘積效的數據,是由得分期望值的表格,來推算球員每次的跑壘到底為球員多得或少得了幾分。

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 LEV (by BP)

 A measure of how important a particular situation is in a baseball game depending on the inning, score, outs, and number of players on base, created by Tom Tango. (by Fan Graphs)

 Leverage 是由 Tom Tango 發明的數據,主要理論是:隨著局數、出局數、比分、壘上跑者數的不同,該打席的重要性也會隨之變化。我偏好用「關鍵度」這個字來作為中文翻譯。

 像是一局上的首名打者出局與否,和九局下兩出局滿壘的打者出局與否,重要性當然完全不同;另外如果是比分接近的比賽,後面幾局的出局數就顯得比球賽剛開打時來得重要了。

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rookie(新人)

According to Major League Baseball, a player shall be considered a rookie unless, during a previous season or seasons, he has (a) exceeded 130 at-bats or 50 innings pitched in the Major Leagues; or (b) accumulated more than 45 days on the active roster of a Major League club or clubs during the period of the 25-player limit (excluding time in the military service and time on the disabled list). -- from Mariners Mailbag

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 H, hold(中繼點)

 A hold is given to a relief pitcher if he enters a game in a save situation, records at least one out and leaves the game without having relinquished that lead. For a pitcher to receive a hold, he must not finish the game or be the winning pitcher. Therefore, the same pitcher can't get a save and a hold in the same game. -- from Mariners Mailbag

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ERV, Expected Run Value(得分期望值)

NERD, Net Expected Run Differential(淨得分差)

參考資料:Baseball Stat NERD

這個概念是我幾年前就看到的,一直覺得能夠用來解釋很多棒球現象,提供球迷一個不同的角度來看球賽,而且又很容易懂。

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bereavement list

A player who is grieving (due to the death of a family member or friend) can be placed on the bereavement list with league permission. He must stay on the list for at least three days and be activated within ten days. His roster spot can be filled by another player. This rule is a new part of the Basic Agreement.

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IPD, Isolated Plate Discipline

IPD=OBP-BA


IsoP、ISO, Isolated Power

IsoP=ISO=SLG-BA

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FIP (from THT Glossary)

Fielding Independent Pitching, a measure of all those things for which a pitcher is specifically responsible. The formula is (HR*13+(BB+HBP)*3-K*2)/IP, plus a league-specific factor (usually around 3.2) to round out the number to an equivalent ERA number. FIP helps you understand how well a pitcher pitched, regardless of how well his fielders fielded. FIP was invented by Tangotiger.

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