@Ragman,
I think you made a good move picking up Masterson...I think he should have a decent season...
I think if a star pitcher goes down like that though...who is not going to miss the season...I would keep that person on my DL, and get rid of an extra bat...Or one of my DL bats etc...Or worse DL pitchers...I think it depends on how deep your team is in either hitting or pitching...because if you make the top 6 and are in the bracket, you would have had Greinke...I think someone is going to scoop him up right now...no worries though, just a game for fun...
Tico is correct, when you add someone, you should see it say at the top when they will be on your roster...and it should go on your roster the next day...if they are a free agent and if the transaction is processed before around 4 or 5 am Eastern time...
But when the transaction goes through, you should see your roster with the add for the next day automatically...
So another words, the next time you add a player, if they are a free agent, when you add them to your team...when it shows your roster, it should show him on your bench for the next day... automatically...the reason why you do not see him the same day is because if this was done, a team could add and start players for the same day they grab them...