The NBA Finals continue to produce strong ratings for ABC, as Sunday’s third game easily topped the ratings race. Another sporting event, NBC’s coverage of the final round of golf’s U.S. Open, was second on the leaderboard.

The Miami Heat’s victory over the Oklahoma City Thunder averaged a preliminary 5.6 rating/16 share in adults 18-49 and 13.4 million viewers overall on ABC’s stations from 8 to 11 p.m., with these numbers expected to rise by about 10% in the nationals when all West Coast viewing is tabulated. This should put the game in line with last year’s third game between the Heat and Dallas Mavericks, which earned a 6.1/17 in 18-49 and 15.3 million viewers overall. Through three games, this year’s Finals is the highest-rated pro basketball championship round since 2004.

At NBC, the U.S. Open Golf tournament concluded with a preliminary 2.3/7 in 18-49 and 9.5 million viewers overall on the network’s stations from 7 to 10:30 p.m. It was the No. 2 program of the night on broadcast television in all categories.

Fox aired repeats of animated comedies ”American Dad” (0.8/3 in 18-49, 1.7 million viewers overall), ”The Cleveland Show” (1.0/4 in 18-49, 2.1 million viewers overall), ”The Simpsons” (1.2/4 in 18-49, 2.8 million viewers overall), ”Bob’s Burgers” (1.2/4 in 18-49, 2.6 million viewers overall), ”Family Guy” (1.6/5 in 18-49, 3.6 million viewers overall) and a second ”American Dad” at 9:30 p.m. (1.4/4 in 18-49, 3.3 million viewers overall).

And CBS followed ”60 Minutes” (1.0/4 in 18-49, 7.3 million viewers overall) with a special repeat of ”Blue Bloods” (0.7/2 in 18-49, 5.0 million viewers overall) and encores of ”The Good Wife” (0.5/1 in 18-49, 4.2 million viewers overall) and ”The Mentalist” (0.8/2 in 18-49, 5.0 million viewers overall), airing in its new time period for the first time.

Preliminary 18-49 averages for the night: ABC, 4.8/14; NBC, 2.1/6; Fox, 1.2/4; Univision, 1.0/3; CBS, 0.8/2.

In total viewers: ABC, 11.5 million; NBC, 8.8 million; CBS, 5.4 million; Fox and Univision, 2.7 million.