BASEBALL / DAILY REPORT : Alderson Says Athletics Will Try to Fulfill Henderson Trade Request

General Manager Sandy Alderson of the Oakland Athletics said Wednesday he is trying to trade unhappy outfielder Rickey Henderson, who said he wants to play elsewhere if the A’s won’t open talks for a new contract.

“We’re in the process of contacting them all,” Alderson said. “It’s a process we’ve gone through (the past two years) with Rickey at his request. In the past there’s been little or no interest.

“It’s obvious most clubs--including ours--consider attitude as important as ability. His attitude is getting in the way of his ability. We’ve been willing to take less (value) for a long time.”

Henderson will make $3 million in 1993, the final year of a $12 million, four-year deal. He said if there is no interest in him, he is prepared to play in Japan next season.

The San Francisco Giants made baseball history by picking a female public address announcer.

Sherry Davis, a legal secretary from Walnut Creek, will be the first full-time female stadium announcer in major league history, according to team officials.

“I was surprised, but I hope that other women will try out now,” said Davis, who beat out two finalists at Candlestick Park.

She was the only woman among the nine competitors called back for the second round of auditions. Almost 500 people showed up earlier this month to try out for the job. Eight were women.

The two other finalists were Rory Miller of Chico, who has a broadcasting degree, and Dan Harrington, who announced football games for San Francisco State University.

The public address announcer must also keep score. Davis was prepared to prove her ability at that chore. She carried a scorebook that dates to 1987.

Davis will be the first full-time announcer, but women have had the job before.

Joy Hawkins McCabe, daughter of a Washington Senators’ executive, filled in for one game in 1966. Kelly Saunders, a reporter for WJZ-TV in Baltimore, took over for one game last year while the regular Oriole announcer was ill.

Relief pitcher Alejandro Pena of the Pittsburgh Pirates will continue on a slightly modified rehabilitation schedule as he tries to recover from tendinitis in his pitching elbow.

Pena resumed light throwing Monday after sitting out a week and will continue to throw every day through Saturday before being evaluated by trainer Kent Biggerstaff.

Pena made 100 throws to Biggerstaff Wednesday, ranging in distance from 45 to 90 feet.

Pittsburgh signed Pena to a one-year, $1.35 million free-agent contract Dec. 10.

Bo Jackson and the Chicago White Sox may extend the deadline to decide whether the team will keep him, General Manager Ron Schueler said.

Jackson’s contract calls for the White Sox to make their decision by Monday. The team can either pick up the option on his contract, which would guarantee him $910,000 and offer another $1.5 million in incentives, or buy him out for $150,000.

Jackson, trying to make a comeback with an artificial left hip, has been hobbled by a sore right hamstring, but has five hits in 15 at-bats in four exhibition games.