I suspect everyone is really looking forward to the top end signings, it's somewhat hazy to see who they might be. Although expected, King and Allen are good signings, especially Allen who is more than likely to improve in 2019...
It's his converted championship average, the most recently established MA is used, unless a rider has an average from both leagues in the same season when the appropriate average applies. (Art 16.2.7)
Courtesy of Neil Watson in an earlier post today.