Real Salt Lake defender Jámison Olave has displaced LA's Landon Donovan at to of the MLS Castrol Index, which attempts to measure a player's overall impact on a game. Olave, the defending 2010 MLS Defender of the Year, moved up five spots to pass Donovan.
Olave and RSL will face Sounders FC at CenturyLink Field at 1 p.m. Saturday.
Here's the latest on the MSL Castrol Index. The top-ranked Sounder is Alvaro Fernandez, who shows up fourth in MLS.