Many teams are using their time in spring training to analyze which of their players are the best at challenging calls.

The Mets and all of MLB will need to adjust to the new ABS challenge system. Here's a primer on the essentials of the system ...

A solid metric to know, considering its influence on race performance. Many coaches argue that lactate threshold is one of, if not the, biggest performance predictor. It determines how fast you can ...

Many of the league’s top executives and decision-makers will head to Lucas Oil Stadium to see hundreds of NFL Draft prospects participate in workouts, medical evaluations and interviews from Feb.

Many runners, when training for their first marathon, set out with the intention to cover all 26.2 miles without taking any ...