Cabrera doesn't project for much power or SBs.
Murton could be an all-around fantasy guy that could hit .300 with 15-20 HRs and 30 SBs
Cabrera could hit .280 with 15-20 HRs and 15 SBs.
Not a huge difference, but I give the nod to Murton.
Some people will say Cabrera is 3 years younger so he has the higher ceiling, but I don't like his BB/K rate and because of that don't see him hitting higher than .280.
Honestly, I don't like either prospect that much. Then when you consider that your talking about fantasy baseball, I'm asuming, they become even lesser prospects in my mind. If you can stay away from both.
I prefer Murton and probably like him more than the others here do. But they are correct in saying he's not a big prospect and unless you have a ton on ML spots he's not worth owning.