Buy tickets to watch a game at English Field. If there's nothing scheduled while you're there, you might like to check if there's a guided tour of the facilities.
You'll have sightseeing choices galore when staying in Blacksburg. English Field is a great place to start here, but there are plenty of other fine attractions to appreciate. Virginia Tech University, Lane Stadium, and Cassell Coliseum are near the sporting facility and will fill in your day nicely.