USA TODAY sports columnist Christine Brennan chronicles the explosive growth of Caitlin Clark's popularity in her new book "On Her Game."

Caitlin Clark was downgraded from questionable to out for the Indiana Fever's matchup with the reigning champion New York Liberty on Wednesday, the team announced. Clark tweaked her right groin during the Fever's win over the Connecticut Sun on Tuesday and was in tears on the bench after checking out.

Indiana Fever star guard Caitlin Clark appeared to suffer a groin injury near the end of Tuesday night's 85-77 victory over the Connecticut Sun, raising more concerns about how she fares against physical defenses.

At time of publication, the Fever led the Wings 86-68 and Clark had 14 points, 10 assists, five steals, two rebounds, and a block in 22 minutes of action. She hit 4 of 11 shots from the field and 2 of 7 shots from 3-point range.

The sharp-shooting Indiana Fever star was being evaluated for a groin injury after she left in the final minute of Tuesday night’s 85-77 win over the Sun in Connecticut.

Author Christine Brennan gives a behind-the-scenes look at a controversy that enveloped the WNBA during its most high-profile season in history.