Texas reliever Frank Francisco was arrested today on a charge of aggravated battery after he threw a chair into the right-field box seats and hit two spectators in the head during Monday night's loss to the Oakland Athletics.

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After the game, Rangers manager Buck Showalter said the fans "went over the line."

"It was a real break from the normal trash you hear from fans. We've had problems about every time we've come here," he said.

But today, Texas owner Tom Hicks apologized "for the conduct of some members of our club last night in Oakland."

"Their behavior, especially the injury to a fan, was unacceptable. Even in a difficult or abusive environment, players should never be provoked into such actions," Hicks said in a statement, adding that he had been in contact with the commissioner's office. He did not say whether Francisco or any other player would be punished.

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Texas reliever Doug Brocail was seen screaming at a male fan, and the pitcher had to be restrained by his teammates and bullpen coach Mark Connor. Others also had to be held back.