Gray is making his organizational debut with the Low-A affiliate after being acquired in the trade that sent Yasiel Puig, Matt Kemp, Alex Wood and Kyle Farmer to the Cincinnati Reds this past offseason.
A 2018 second-round pick of the Reds, Gray made 12 starts with their rookie-ball affiliate in 2018. He pitched to a 2.58 ERA and 0.88 WHIP while striking out 59 and walking 17 in 52.1 innings.
The Dodgers drafted Amaya in the 11th round in 2017 out of South Hills High School in West Covina, Calif. He closed out the 2018 season with Great Lakes, hitting .