Chicago ? A Cook County judge ordered a man who ran onto the field at Comiskey Park and attacked a Kansas City Royals coach held on $200,000 bond Saturday.

During a hearing, a prosecutor described how William Ligue Jr. telephoned his sister before Thursday night’s attack and told her to watch the White Sox game because he was going to be on.

William Ligue Jr. was charged with aggravated battery for attacking Kansas City coach Tom Gamboa on Thursday night.

When she couldn’t find the game on TV, he told her to watch the news because he’d be on it, Assistant State’s Attorney Colleen Daly said.

It was just a short time after that call, Daly said, that Ligue and his 15-year-old son ran onto the field in the ninth inning of the game between the White Sox and the Royals and attacked Tom Gamboa from behind.

Ligue was charged with a felony count of aggravated battery in a public place of amusement. Daly said Ligue told police after his arrest that he charged the field because he was angry the White Sox were losing, but Daly said the attack was premeditated. She said shortly before he ran onto the field, Ligue handed his keys, cellular telephone and jewelry to another of his sons. She said Ligue was wearing a pocketknife on his waistband when he ran on the field.

Ligue’s 15-year-old son has been charged with two juvenile counts of aggravated battery, one for attacking Gamboa and the other for hitting a White Sox security guard, an off-duty police officer. The teen-ager was initially released to his mother, but was later taken to a juvenile detention center after authorities reviewed the case. He is due in court Monday.

Daly said the attack on the 54-year-old Gamboa was unprovoked and disputed the contention reportedly made by Ligue and his son that the coach provoked them with an obscene gesture.

“There is no evidence of that,” she said, supporting Gamboa’s contention that he didn’t make such a gesture to the fans. “That is a completely ludicrous claim.”

Instead, she said Gamboa was “just a man doing his job” when Ligue and his son slammed him to the ground, where they punched and kicked him.

Daly said both father and son did admit to police that they were taunting Gamboa throughout the game.

“He embarrassed himself and the city of Chicago,” Daly said of Ligue. “This is a disgrace to sports fans.”

Ligue was convicted of burglary in 1986, a felony for which he served five months in prison. Then in 1996 he served seven days in jail after being convicted of domestic battery.

The new charge against Ligue carries a maximum sentence of 3-5 years in prison. He is scheduled to return to court Oct. 11.