Umpires’ racial bias disappears for other years of data — Part II: From Sabermetric Research’s Phil Birnbaum, more evidence that umpires aren’t as biased as Daniel Hammermesh’s study initially suggested (this time, the data set extends from 1980-2010).

Race & NFL QB Bias: Does race play a role in NFL front-office decision-making about quarterbacks? The Wages of Wins seems to think so. But Brian Goff of The Sports Economist detects a different source of bias — not specifically against African-American QBs, but against mobile quarterbacks in general.

Language bias in Hall of Fame Inductions?: At this Prince of Slides post, you can check out Brian Mills’ Joint Statistical Meetings presentation poster about whether fewer Francophone players were inducted to the Hockey Hall of Fame than would be predicted according to a Random Forests-based HoF probability method.

Umpires’ racial bias disappears for other years of data: At Sabermetric Research, Phil Birnbaum reports that although there appears to be evidence of racial bias among umpires in ball/strike call data from 2004-06, that trend doesn’t carry over into data from other seasons.

Minority pitchers succeed with fewer called strikes: More from Sabermetric Research’s Phil Birnbaum on the topic of umpires and racial bias in ball/strike calls.

Phil Birnbaum of Sabermetric Research continues his study on the subject of minority hiring in the NFL. Link