What do these names have in common?

[old nurse]

What do these people all have in common? Kirby Yates, Ryan Brasier, Ryan Pressly, Liam Hendriks (mutual option) Michael Kopech, Jordan Romano, Paul Sewald (mutual option), Ryne Stanek, Jonathan Loáisiga (club option), T.J. McFarland, Joe Ross, Josh Walker,  Andrew Kittredge (club option), Jorge López, José Leclerc, Tim Mayza, Tommy Kahnle, John Brebbia (club option), Tyler Alexander, Kendall Graveman (mutual option), Luke Jackson, Scott Alexander, Lucas Sims, Dillon Tate. Your one clue is that 4 of these  players, if available, could make you reach out for prochloroperazene.

thans to the Just baseball website for providing the list