Arizona Diamondbacks starting pitcher Robbie Ray (oblique) is on track to pitch in High-A Visalia on Thursday after throwing a bullpen session Monday. Ray has been out since April 29 with an oblique strain and will need multiple rehab assignments before he makes his return. It is possible for Ray to return in June if his rehab outings all go well. Ray got off to a slow start this season and sits at a 4.88 ERA, 1.52 [...]