In the early 2000s, every summer there were rumors surrounding Roger Clemens and whether or not he would come pitch for a team for half of a season. Clemens was good enough to make a huge difference for teams even at an advanced age, even if he was helped by PEDs.
There are still some players that could help some teams that are currently retired or simply free agents. These guys are a mix bag of pitchers and position players that all bring their own strengths to the game.
With that said, these guys can't be expected to completely change the fortune of a team, but simply to help improve their chances to become a playoff team.
So let's get to the list of players that could be making a comeback at some point this season.