.....................noBecause two eyed Rinnegan Sasuke would be overkill.
.....jūbiganBecause it's not a ****ing Rennigan!
It's a higher form of it, some call it the Juubi's eye others call it Sharinnegan.
Then kishi won't know how to beat sasky XDI think he'll get two, he probably just needs to unlock the power 1st.