Actually, the Utah Utes have only played in Berkeley once since 1964 — In the Year 2000.
The Utah-Cal series is tied at 5-5.
Here’s the series history, courtesy of Winsipedia:
1920: Cal defeats Utah in Berkeley, 63-0
1958: Cal defeats Utah in Berkeley, 36-21
1963: Cal defeats Utah in Salt Lake City, 35-22
1964: Utah defeats Cal in Berkeley, 14-0
2000: Cal defeats Utah in Berkeley, 24-21
2003: Utah defeats Cal in Salt Lake City, 31-24
2009: Utah defeats Cal in San Diego, 37-2
2011: Cal defeats Utah in San Francisco, 34-10
2012: Utah defeats Cal in Salt Lake City, 49-27
2015: Utah defeats Cal in Salt Lake City, 30-24
BearInsider – Forum
I did not realize we played back to back game in SLC.