Wiktionary
sabermetrician
n. (context US English) A baseball statistician; one who studies sabermetrics
Usage examples of "sabermetrician".
A man named Craig Wright spent many frustrating years as the sabermetrician with the Texas Rangers, and then many more consulting other big league teams.
At the same time sabermetricians had managed to reduce the game to a stack of stats, and with the proper program you could produce a box score that would be very close to what the true outcome of the game would be.