ARLINGTON, Texas — More than three hours before Caitlin Clark made her WNBA debut with the Indiana Fever in an exhibition game against the Dallas Wings on Friday night, some fans among the sellout crowd were lined up outside the arena dressed in No. 22 University of Iowa jerseys.

And Clark put on a show.

The two-time NCAA women’s basketball player of the year led all first-half scorers with 16 points in 16 minutes and finished with a team-high 21 points in the Fever’s 79-76 loss. She was…