AJ Mass applies a new statistic to the current crop of big league closers to help him determine their "safety factor," and comes up with some interesting findings on such players as Grant Balfour, Jim Johnson and even Huston Street.
AJ Mass unveils a system that shows which closers are the safest and which are the riskiest going forward.
AJ Mass discusses which pitchers may be due for a dropoff thanks to increased workload.
AJ Mass says that how a reliever does against the first batter he faces during an outing could portend good or bad things about his future.
AJ Mass looks at a formula called work factor and how throwing too many pitches can affect a starting pitcher down the stretch.
AJ Mass brings back his FBA statistic in hopes of finding alternative sources for saves for the remainder of the 2010 season.
AJ Mass, pinch hitting for Tristan H. Cockcroft, looks at early top performers who are unlikely to sustain their hot starts to the season.