going behind the biggest screen in baseball: mariners vision! /

SEATTLE — whether you’ve ever been to a Mariners game at Safeco Field, you know it’s all about watching the players on the field. But the action playing out above is a close moment: The big screen (which happens to be the biggest in baseball) that shows everything from replays to the Hydro races… to even YOU whether you play your cards upright! Turns out there’s an entire team behind Mariners Vision to make it all happen — both before […]

Source: q13fox.com