AP

"That was probably one of the harder fastballs I cut loose," Clemens said after throwing to son Koby and other Houston Astros minor leaguers Monday at Kissimme, Fla. "He got my attention."

Then the Rocket got Koby's. The next time his oldest son came to the plate, Roger buzzed him high and tight with another fastball. The younger Clemens dodged the pitch, then smiled at his father.

More...

Ghana boots U.S. from World Cup

White Sox Activate Contreras, Demote Logan

Spurs Force Game 7 With Win Over Mavericks

Mavs' New Approach: Grab, Don't Punch

Indians Send RHP Karsay to Athletics

Matsui Has Surgery After Breaking Wrist

A-Rod Answers Boss With Homer

Barry Bonds Returns to Lineup Tonight