Lineups

Generating Opening Day Rosters from Retrosheet Event Files Using R

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I wanted to utilize the Opening Day MLB rosters for various season replays in my computer-based simulations, but I wasn’t able to locate this information in the usual places (Baseball-Reference, Retrosheet, etc.) I belatedly found out that a number of individuals and volunteers in the sabermetric community have already done this work, scouring box scores … Read more

Hardball Retrospective – Defensive Lineups by Decade

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Defensive Lineups by Decade provides a team-by-team reference for every ballplayer since 1901 that meets the defensive games played standards outlined below. The team rosters are constructed using “Original” players as defined in Hardball Retrospective such that players signing their first Major League contract with an organization are considered an “Original” member of the franchise … Read more