The preliminary card for UFC 213 attracted 657,000 viewers to Fox Sports 1 on Saturday night, well below the prelim ratings for recent International Fight Week cards.
Preliminary cards for the last two International Fight Week pay-per-view events, usually a signature weekend for the UFC, drew 1.7 million viewers (UFC 200) and 847,000 viewers (UFC 189).
According to a report from MMAFighting.com, UFC 213 had the lowest rated prelims for a pay-per-view offering since 2014, when UFC 179 attracted 536,000 viewers to FS1.
The UFC 213 prelims featured a heavyweight bout between Alexey Oleynik and Travis Browne.