When Rutschman returned on Tuesday, the Red Sox revealed who the player to be named later was. The team sent outfielder Harold Rivas to the Orioles to complete the deal. It's possible that there was a condition attached to the Rutschman deal. AdvertisementAdvertisement AdvertisementRivas is the fourth-best prospect who goes to the Orioles as part of the Rutschman deal. Eyanson, Witherspoon and Azocar were the headliners who went to Baltimore, with Eyanson as the biggest prize.