LOS ANGELES (AP) – Greg Maddux is headed back to the Los Angeles Dodgers.

San Diego and Los Angeles agreed to a trade that puts the 353-game winner in a pennant race again, according to a person familiar with the deal who spoke on condition of anonymity Monday night because no announcement had been made.

It was unclear what the last-place Padres would receive in return for the 42-year-old Maddux, who will join a Dodgers team tied with Arizona atop the NL West. The right-hander is 6-9 with a 3.99 ERA in 26 starts for San Diego this year.

The trade was expected to be announced Tuesday.

The deal was first reported by the Los Angeles Times on its Web site.

Maddux was 6-3 with a 3.30 ERA in 12 starts for the Dodgers in 2006 after they acquired him from the Chicago Cubs at the non-waiver trade deadline. Los Angeles reached the postseason that year as the NL’s wild-card team.

This year, Los Angeles and San Diego discussed a deal for Maddux before the July 31 deadline, but talks fell through.

“I would say nothing ever got real close,” Padres general manager Kevin Towers said then. “We let it be known with the Dodgers, that was the one ballclub he had interest in going to, that any deal we were going to do was going to be the best baseball deal we could do and it wasn’t going to be a financial deal to try to move dollars. We just weren’t happy with the prospect we would be getting back, and we chose to hold onto him.”

A four-time Cy Young Award winner, Maddux has a full no-trade clause in his contract and agreed to waive it. He joined the Padres in 2007 and returned this season for a $10 million, one-year deal.

The Dodgers put opening-day starter Brad Penny on the disabled list Thursday with a shoulder injury and hope Maddux can fill the void in their rotation. He is likely to get seven or eight starts with Los Angeles down the stretch.

It’s the latest aggressive move by the Dodgers, who made a blockbuster deal for Boston slugger Manny Ramirez at the trade deadline. They also acquired third baseman Casey Blake from Cleveland.

Now in his 23rd major league season, Maddux has won a record 17 Gold Gloves. He reached 13 wins last year for the 20th consecutive season, passing Cy Young for the major league record.

Maddux is ninth on baseball’s career wins list, one behind Roger Clemens, and 10th in strikeouts with 3,353.

Maddux has a 3.14 career ERA and his record includes 223 losses in 737 major league appearances, all but four of those starts.

The Dodgers, slogging through much of the season under .500 but still managing to remain in contention in their weak division, have improved since the acquisitions of Ramirez and Blake. Los Angeles has won six of seven to boost its record to 64-60.

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AP Baseball Writer Ronald Blum in New York contributed to this report.

AP-ES-08-19-08 0024EDT