SEATTLE (AP) — Top Seattle Mariners prospect Julio Rodriguez has suffered a hairline fracture of his left wrist during a practice. The 19-year-old dove for a ball during a defensive drill and jammed his wrist. He left the field with a trainer and manager Scott Servais said X-rays revealed the fracture. Rodriguez will have additional tests on the injury. Rodriguez was going to be on Seattle’s taxi squad for the upcoming season but is considered one of the top prospects in the organization.  He has been rated among the top 20 prospects in all of baseball heading into the season.