Carey adds a ton of intrigue to absorbing Shield final

Alex Carey's century has given South Australia a fighting chance in the Sheffield Shield final. (Joel Carrett/AAP PHOTOS)

Alex Carey has scored another century when it counts most and helped set up a riveting final day in the Sheffield Shield final.

After Carey and Nathan McAndrew led SA out of trouble on day four at Junction Oval, Victoria lost two crucial wickets in the last 20 minutes on Sunday.