Counting injured players we currently have 46 players on the 40-man.
Miley, Montas, Ross, Sanchez, Adames are likely free agents.
Ashby, Bukauskas, Herget, Jay, Paredes, Milner, Payamps, Wilson, Zastryzny, Haase, Capra, Hicklen are potential non-tender/DFA candidates.
That leaves about 29 locks for the 40-man in Yelich, Perkins, Mitchell, Frelick, Chourio, Turang, Ortiz, Monasterio, Hoskins (seems likely to opt in), Dunn, Black, Bauers, Quero, Contreras, Woodruff, Williams, Uribe, Rodriguez, Rea, Peralta, Peguero, Myers, Megill, Mears, Koenig, Hudson, Hall, Gasser, Civale as locks