Runs Prevented: Guerra vs Hellickson

It’s one of those beautiful gifts bestowed by the length of the baseball season, an absolute honor handed down from the mundane days of July, a happy accident from depth-oriented roster construction. Most of the baseball season is biding time, and while that can result in blissful anomalies such as Eric Kratz and Hernan Perez […]


On Tunnels and CSAA

At the end of January, BaseballProspectus introduced several new metrics to dive deeper into pitching analysis. Called Strikes Above Average is one potentially useful metric for judging a pitcher’s command since it assesses the called strikes that a pitcher creates (controlled for the umpire, catcher, and other factors). Pitch tunnels is another potentially useful metric, […]


Matt Garza’s Value

For an MLB player, value has two elements: Production: A player can be considered valuable based on how well they perform on the field. Alternately, as advanced statistics and analytical tools emerge, a player can be considered valuable based on their underlying elements — stuff, mechanics, plate approach, command, etc. Both of these metrics, traditional […]