Tyrese Haliburton made a go-ahead basket with three-tenths of a second left and the Indiana Pacers stunned the OKC Thunder in Game 1 of the NBA Finals.

The Finals have not yet started, but OKC coach Mark Daigneault has already made a notable change. The Thunder are starting wing Cason Wallace in Game 1 and big man Isaiah Hartenstein will come off the bench. The Thunder are going smaller against the high-pace Pacers.

Haliburton finished with 14 points, 10 rebounds and six assists. Siakam had 19 points and 10 rebounds. Toppin scored 17 points. Turner finished with 15 points and nine rebounds. Nembhard tallied 14 points and six assists. Nesmith had 10 points and 12 rebounds.