Orioles’ Coby Mayo has blueprint for getting back to MLB

NORFOLK, Va. — Coby Mayo’s first stint in the major leagues didn’t go as planned.The slugging Norfolk Tides corner infielder went 1 for 17 (.059) in seven games with the Baltimore Orioles this month before being optioned back to Triple-A.But Mayo, the second-ranked prospect in the system and the 10th-ranked prospect in all of baseball…