BP

This website had player contract data available starting in 2009 (Baseball Prospectus 2009-2018b).

Players with greater than 6 years of service are eligible for free agency, where all teams can make offers to the player (Baseball Prospectus 2009-2018a).

McCracken posted his query on this subject to the Usenet group in 1999 and fourteen months later, in January 2001, found a receptive audience for his article "Pitchers and Defense: How Much Control Do Hurlers Have?" which was posted online at Baseball Prospectus. (15) Shortly thereafter, Rob Neyer of ESPN briefly discussed it.

Further work by various writers at Baseball Prospectus led to additional conclusions: (25)

QERA, or QuikERA, was developed by Nate Silver, the inventor of the PECOTA preseason projections, at Baseball Prospectus in 2006.

As Colin Wyers pointed out on Hardball Times and Baseball Prospectus, for the scorers who from their seats in the press box chart batted-ball data, he found "a modest correlation between the height of the press box and the line-drive rate reported." This leads to some discrepancies, as Baseball Prospectus and Retro-sheet use Gameday/MLBAM data, and FanGraphs uses BIS data.

Somebody trying to answer an "unanswerable" question, crunching numbers and perusing the likes of Hardball Times, Fangraphs, Baseball Prospectus, and, yes, even The Baseball Research Journal, looking to build on whatever work has already been done.

(44.) Matt Swartz and Eric Seidman, "Introducing SIERA, Part 4," 11 February 2010, Baseball Prospectus.

(48.) Nate Silver, "Lies, Damned Lies: Playoff Hurlers," 27 September 2006, Baseball Prospectus.

(49.) Matt Swartz and Eric Seidman, "Introducing SIERA, Part 5," 12 February 2010, Baseball Prospectus.