• Senior Fantasy analyst for ESPN
• Member, FSWA and FSTA Halls of Fame
• Best-selling author of "Fantasy Life"
AJ Mass looks at how fraudulent a stat earned run average can be in determining a pitcher's value.
AJ Mass looks at whether bad teams shut it down or turn it up in September with some interesting results.
AJ Mass follows up last week's column on hitters' values by discussing the value of pitchers.
AJ Mass looks back at some stats that mark a consistent power hitter to see who's in line for a bump or decline in home run production.
AJ Mass discusses whether or not fantasy leagues using 4x4 scoring are closer to real-life than other leagues he's come across.
AJ Mass looks at how reliable relief pitchers can be by analyzing how well they can keep runners from scoring.
AJ Mass revisits the Runs Created stat to help figure out who is set to rise and decline in the second half.
AJ Mass looks again at how much do stolen bases really affect fantasy value by using his Pierre Rankings.
A.J. Mass discusses the concept of VORP and how it can be used in fantasy.
AJ Mass looks at the players with the most notable and extreme home and road splits this season.
AJ Mass explores the often misunderstood pitch-count statistic and reveals that not all pitch counts are created equal.
AJ Mass looks at how irrelevant complete games are as a fantasy stat, as well as the rise of vulture wins.
AJ Mass looks at look at three key stats that make up the makeup of a power hitter, and who does and doesn't fit the bill.
AJ Mass looks at the RC-27 stat and how much hitters are influenced by the players around them.
AJ Mass breaks down secondary average (SECA) and discusses how it can be used to find fantasy value.
AJ Mass explores the other side of the balls-in-play coin, this time how BIPA can help you decide if a pitcher's current performance is sustainable or not.