Olympic hero Caeleb Dressel fails to qualify for world championships

• Olympic champion fails to qualify for world championship team
• Dressel pulled out of last year's worlds with mental health issue

Seven-time Olympic gold medalist Caeleb Dressel failed to qualify for this month's World Aquatics Championships in Japan after more disappointing results at the US National Championships in Indianapolis on Saturday.

In his final chance to make the US team, Dressel finished tied for 22nd in the preliminaries of the 50m freestyle, 1.07 seconds behind the leader.