From Soxprospects:
The following players are rule 5 eligible after this year:
Mario Alcantara, Michael Almanzar, Chris Balcom-Miller, Luis Bastardo, Jeremiah Bayer, Ricardo Betancourt, Carson Blair, Xander Bogaerts, Bryce Brentz, Chris Carpenter, Garin Cecchini, Keith Couch, William Cuevas, Keury De La Cruz, Luis Diaz, JD Durbin, Leonel Escobar, Jose Garcia, Zach Gentile, Derrik Gibson, Dreily Guerrero, Charflie Haeger, Jeremy Hazelbaker, Drew Hedman, Jon Hee, Jayson Hernandez, Chris Hernandez, Peter Hissey, Adalberto Ibarra, Jeremy Kehrt, Aaron Kurcz, Lucas LeBlanc, Juan Carlos Linares, Tyler Lockwood, Heiker Meneses, Boss Moanaroa, Nefi Ogando, Gerardo Olivares, Yunior Ortega, Lyle Overbay, Oscar Perez, Mathew Price, Anthony Ranaudo, David Renfroe, Roberto Reyes, Pete Ruiz, Felix Sanchez, Alfredo Soto, Kyle Stroup, Scott Swinson, Francisco Taveras, Raynel Velette, Jose Vinicio, Kolbrin Vitek, Shannon Wilkerson, Tyler Wilson, Brandon Workman, Madison Younginer
I highlighted some to keep an eye on.