Major League Baseball

Everything you need to know about the new ABS Challenge System

At long last, player protest with ball or strike calls can be handled with something other than ineffectual arguing.

How are players measured for MLB's ABS system?

Measuring players for ABS is a very precise system. Here's how it works.
Over the Monster on MSN

After one Red Sox series, how do you feel about the ABS system?

We saw a healthy dose of the new challenge system in Cincinatti.