Pretty much agree with Cardinals comments except:
Britton-His sinker give him a fairly high floor, but he could easily be a back of the rotation guy.
Belt-Everything looks really good so far, but 1B have to mash so much for fantasy, I want to see more than a year of solid production before I jump all over him.
T.Sanchez-The bat looked very real before he broke his jaw this year. Bad timing for it, anybody's guess at this point if the bat took a step forward or he just was riding a hot streak.
Alonso-Add lack of power to the platoon splits. I see a lot of people ranking him much higher than I do.
Wheeler & Richards you can use the same comment as Ethan Martin except Wheeler is younger so has more time to figure things out/completely fall apart depending on your perspective.
My rankings do differ some. I'd throw the group into 3 loose tiers:
Top: Matzek, Franklin, B.Jackson, Machado, Green, Britton, Parker
Middle: Dwyer, Friedrich, Lyles, Belt, Vizciano, Mitchell, Wheeler, T.Sanchez
Bottom: Scheppers, Alonso, Tate, Martin, Richards
Vizciano's my highest ranked guy in the middle tier. In your situation, I probably take Dwyer for my #8 so I don't have 25% of my farm team recovering from arm injuries.