SQL Server MCSA Certification
You are just looking at an old page. It even says that it is only being maintained for reference purposes only:


  This page is being retained for reference purposes only. The information on this page, including statements about upgrade and/or substitution options, is not being updated and may no longer be accurate.


For the certification track you wish to take use the link below instead:

MCSA: SQL 2016 Database Administration

In brief, you just need to pass your 70-764 and 70-765 to earn the MCSA: SQL 2016 Database Administration Certificate. No more, no less.