NEW! Park Factors: Tom Fontaine provides single-season park factors going back more than 15 years for each team. Select a year or team from the list below:
1999, 1998, 1997, 1996, 1995, 1994, 1993, 1992, 1991, 1990, 1989, 1988, 1987, 1986, 1985, 1984, 1983, 1982, 1981 ANA, BAL, BOS, CHA, CLE, DET, KCA, MIN, NYA, OAK, SEA, TBA, TEX, TOR ARI, ATL, CHN, CIN, COL, FLO, HOU, LAN, MIL, MON, NYN, PHI, PIT, SDN, SFN, SLN On Replacement Level and VORP -- An all-new explanation of VORP, how it's computed, and why replacement level is important.
NEW! Final1999 VORP reports for hitters and pitchers. You can read more about VORP and replacement level here.
Final 1998 VORP reports for hitters and pitchers. You can read more about VORP and replacement level here.
VORP (Value Over a Replacement at a Position) -- VORP is a measure I developed that expresses a player's total contribution towards winning games by expressing the number of runs he added to a team's total above a replacement-level hitter (or pitcher) at the same position. This article is a description of the VORP methodology.
A list of the MVP's according to VORP for every season through 1995 (hitters only)
How Hitting and Pitching Contribute to the Success of Division Winners -- Cyril Morong looks at 20 years of division winners and analyzes the relative importance of the offensive and defensive sides of the game.
The Value Of A Baseball Player -- Michael Rawdon provides an intuitive explanation for the quantitative result that the top players in baseball contribute about 7-8 wins to a team over the course of a season.