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Articles Tagged Mechanical Changes 

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February 20, 2012 3:00 am

Resident Fantasy Genius: Shifts in Their Game


Derek Carty

How will a change in mechanics affect Tommy Hanson, and a new playing venue affect Ryan Ludwick?

Tommy Hanson | Atlanta Braves | SP
Last week, The Atlanta Journal-Constitution ran a story discussing how Tommy Hanson has altered his mechanics in an attempt to stay healthier:

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In case you missed Mike Fast's extraordinary research into quantifying the heretofore hidden contributions of catchers, we're moving it back to the top of the list for the weekend.

I Was Framed
Catchers play a central role in the game of baseball through their involvement with every pitch that their pitchers throw. One of their key tasks is receiving borderline pitches without discouraging the umpire from calling strikes.

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How can we distinguish between benign fluctuations in fastball speed and those that indicate injury or ineffectiveness ahead?

A pitcher’s fastball speed is probably the most macho attribute of his ability. Guile, command, deception, a good breaking ball, and the ability to change speeds are all very important parts of the pitching craft. Only one number, however, routinely makes the scoreboard and the television screen on every pitch—the speed. As Jeff Francoeur can tell you, if it’s on the scoreboard, it’s important.

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April 25, 2011 9:00 am

Collateral Damage: Debriding Our Time


Corey Dawkins and Marc Normandin

The Curse of the Phillies Closer strikes again, Neftali has reason not to be Feliz, and Franklin Gutierrez is diagnosed as irritable.

Jared Burton, CIN (Right shoulder debridement surgery)
Debridement is a term that we hear at times when the word surgery pops up–usually in the upper extremities–but what does it entail? We have a general idea that it involves going in arthroscopically and cleaning up an area, but anyone with children–or in our case, past sloppy roommates–can attest, there are differing interpretations of what "cleaning up" actually means.

By definition, debridement is the act of removing dead, contaminated, adherent tissue or foreign material. This can include anything from battlefield shrapnel to the tiny pebbles in road rash. In baseball, debridement happens with everyday cuts and scrapes, but the ones that make the news involve surgeries that most often occur at the same time as other procedures (such as rotator cuff repair or labrum repairs in the hip).

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October 6, 2006 12:00 am

Prospectus Today: Division Series, Day Three


Joe Sheehan

The Yankees continued their run through the ... hey, not so fast! In San Diego, the Cardinals continued to make a statement about the importance of home-field advantage, while in New York the Mets were the one team to keep order in the first two games.

\nMathematically, leverage is based on the win expectancy work done by Keith Woolner in BP 2005, and is defined as the change in the probability of winning the game from scoring (or allowing) one additional run in the current game situation divided by the change in probability from scoring\n(or allowing) one run at the start of the game.'; xxxpxxxxx1160157644_18 = 'Adjusted Pitcher Wins. Thorn and Palmers method for calculating a starters value in wins. Included for comparison with SNVA. APW values here calculated using runs instead of earned runs.'; xxxpxxxxx1160157644_19 = 'Support Neutral Lineup-adjusted Value Added (SNVA adjusted for the MLVr of batters faced) per game pitched.'; xxxpxxxxx1160157644_20 = 'The number of double play opportunities (defined as less than two outs with runner(s) on first, first and second, or first second and third).'; xxxpxxxxx1160157644_21 = 'The percentage of double play opportunities turned into actual double plays by a pitcher or hitter.'; xxxpxxxxx1160157644_22 = 'Winning percentage. For teams, Win% is determined by dividing wins by games played. For pitchers, Win% is determined by dividing wins by total decisions. '; xxxpxxxxx1160157644_23 = 'Expected winning percentage for the pitcher, based on how often\na pitcher with the same innings pitched and runs allowed in each individual\ngame earned a win or loss historically in the modern era (1972-present).'; xxxpxxxxx1160157644_24 = 'Attrition Rate is the percent chance that a hitters plate appearances or a pitchers opposing batters faced will decrease by at least 50% relative to his Baseline playing time forecast. Although it is generally a good indicator of the risk of injury, Attrition Rate will also capture seasons in which his playing time decreases due to poor performance or managerial decisions. '; xxxpxxxxx1160157644_25 = 'Batting average (hitters) or batting average allowed (pitchers).'; xxxpxxxxx1160157644_26 = 'Average number of pitches per start.'; xxxpxxxxx1160157644_27 = 'Average Pitcher Abuse Points per game started.'; xxxpxxxxx1160157644_28 = 'Singles or singles allowed.'; xxxpxxxxx1160157644_29 = 'Batting average; hits divided by at-bats.'; xxxpxxxxx1160157644_30 = 'Percentage of pitches thrown for balls.'; xxxpxxxxx1160157644_31 = 'The Baseline forecast, although it does not appear here, is a crucial intermediate step in creating a players forecast. The Baseline developed based on the players previous three seasons of performance. Both major league and (translated) minor league performances are considered.

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