In general, it is rare for any team to change its starting lineup in Game 1 of a playoff series. It's rarer for that change to come ahead of Game 1 of the NBA Finals, and practically unheard of for a heavy favorite to do so under those circumstances.

Mark Daigneault explains decision to start Cason Wallace over Isaiah Hartenstein in Game 1 loss to Indiana Pacers.

Tyrese Haliburton, meet Cason Wallace. The Oklahoma City Thunder made the surprising decision to start Wallace in Game 1 of the NBA Finals. It's for one main reason: to guard Haliburton, the Indiana Pacers' superstar point guard.