His coach, Clyde Hart, said: "We don't know if it's really an injury, but we didn't want to risk a major injury.

"I couldn't visualize 19.32," his coach, Clyde Hart, said.

Clyde Hart, who coaches Johnson, said a decision would be made after Johnson warms up for Sunday's semifinal round.

He was coached by Clyde Hart, an individual who also trained world record-holder Michael Johnson.

Coach Clyde Hart decided to put off retirement when Wariner came to Baylor.

This morning, he had swelling in the thigh and his coach, Clyde Hart, said Johnson's chances of running the semifinals did not look good.

"He's kind of like a gunslinger who snookered the others to look into the sun," said Clyde Hart, Johnson's longtime coach.

Following a successful 2005 season, Ayre moved on to be coached by world-renowned 400 meter coach, Clyde Hart.

Clyde Hart (born in 1935) is the director of track and field at Baylor University.

But her coach, Clyde Hart, kept telling her to be patient, that her day for such feats would come.