UFC Fight Night 67 took place on Saturday in Brazil and was headlined by former interim UFC welterweight champion Carlos Condit returning from injury and defeating Thiago Alves by TKO at the end of the second round due to a doctor stoppage. 
According to Nielson sources, the main card broadcast on Fox Sports 1 had an average live audience of 813,000 viewers and peaked at 1,050,000 viewers in the 11:15-11:30 p.m. ET quarter hour. The televised prelims also aired on Fox Sports 1 and this portion of the broadcast average 713,000 viewers.
When it came to the competition, the UFC fight card went up against Game 7 of the NHL Western Conference Final between the Chicago Blackhawks and the Anaheim Ducks. The game was aired on NBC and averaged 4.6 million viewers, with a peak of 5.5 million during the 10:45-11p ET quarter hour.
Below is the average viewership number for UFC Fight Night cards on Fox Sports 1 in 2015.
UFC Fight Night 59: 2.75 Million (Prelims – 908k)
UFC Fight Night 60: 913k (Prelims – 775k)
UFC Fight Night 61: 1.2 Million (Prelims – 813k)
UFC Fight Night 62: 617k (Prelims – 280k) *
UFC Fight Night 63: 389k (Prelims – 304k)
UFC Fight Night 66: 575k (Prelims – 246k)
UFC Fight Night 67: 813k (Prelims – 713k)
* – Prelims aired on Fox Sports 2.