WAR (Wins Above Replacement)
A comprehensive sabermetric value quantifying a player's total contribution (in terms of wins) relative to a freely available replacement-level talent. WAR measures offense, defense, and base running. We use bWAR, the figure available from BASEBALL-REFERENCE.COM
JAWS (Jaffe WAR Score system)
Developed by Jay Jaffe, this metric balances career total value with peak dominance by averaging career WAR and 7-year peak WAR (WAR7).
WAR/SN
Wins Above Replacement (WAR) per season. This figure is based on WAR divided by season at the major league level.
WAR7 (Best 7 Seasons)
The cumulative WAR amassed across a player's seven most productive seasons, whether consecutive or non-consecutive.
WAR5C (5-Year Consecutive Peak)
The highest cumulative WAR total recorded over any uninterrupted five-season window in a player's career.
WAR3 (Best 3 Seasons)
The combined WAR across a player's top three seasons, whether consecutive or non-consecutive.
BEST
The best Wins Above Replacement (WAR) total in a single season during the player's career. This would be his best season, according to WAR.
5WARS
Count of seasons in which the player had 5+ Wins Above Replacement. A 5-WAR season is indicative of an All-Star caliber player.
8WARS
Count of seasons in which the player had 8+ Wins Above Replacement. An 8-WAR season is indicative of an MVP candidate.