Obama had a policy that made exceptions to allow some academy grads to play professional sports. Trump stopped it and them flipped and ordered a policy to allow it.
2017
2019
The memo, obtained by The Associated Press, came at the insistence of President Donald Trump, who directed the Pentagon in June to come up with a way to allow athletes to play professional sports immediately upon graduation. Trump gave the Pentagon four months to develop the new policy.
This past year under Biden, the policy continues as shown by the approval of these Naval Academy 2022 grads to participate in the NFL.
Song is clearly in a different category than a recent graduate. The article quoted above says the Phillies have already put him on the military service list and he does not now count toward the 40 man roster limit. We will see what develops. I assume the Phillies have talked to him and explored the possible outcomes. I guess worst case is that he ends up being returned to the Red Sox.
Good news not losing Miller or any other player in the ML rule 5 draft.