Sources: Dunn still in play for White Sox

Daniel Hudson, scheduled to pitch Friday night for the White Sox, is likely to be traded to the Diamondbacks instead.

The question is which player the White Sox will receive in return.

It could be Nationals first baseman Adam Dunn, if the Sox complete a three-way trade with the Diamondbacks, major-league sources say.

Or, it could be Diamondbacks right-hander Edwin Jackson if the three-way deal falls apart.

The White Sox were poised late Thursday night to obtain Jackson for Hudson and a pitching prospect, major-league sources say.

But Dunn remained in play for the Sox early Friday morning. Under a proposed three-way deal, Jackson would go to the Nationals, while Hudson and the pitching prospect would still end up with the Diamondbacks.

The decision rested with the Nationals, who also are fielding offers for Dunn from other clubs, one source said.

One rival executive believes the Yankees are still heavily involved with Dunn. The Yankees said they were out of the running two days ago, but that message, the executive says, might have been a warning shot at the Nationals: Quit messing around!

Other sources, however, say the Yankees indeed remain out on Dunn.

The trade of Jackson would be the Diamondbacks’ second major move in five days. On Monday, the team sent ace right-hander Dan Haren to the Angels for left-hander Joe Saunders and three younger pitchers.

While the White Sox covet Dunn, they also would be comfortable adding Jackson, who would replace Hudson in their rotation.

The Sox’s need for another starting pitcher arose after right-hander Jake Peavy was lost for the season with a shoulder injury. Hudson, who replaced Peavy, has a 6.32 ERA in three starts.

Jackson threw a no-hitter against the Rays on June 25, but issued eight walks in that game and overall is 6-10 with a 5.16 ERA. Still, he enjoyed decent success pitching in the AL Central for the Tigers last season, going 13-9 with a 3.62 ERA, albeit in a more pitcher-friendly home park than the Sox’s U.S. Cellular Field.

The Nationals, too, wanted Jackson, and they completed a trade Thursday night, sending closer Matt Capps to the Twins in a deal for catcher Wilson Ramos. A secondary motivation of the deal might have been to clear 2011 payroll for the addition of a pitcher such as Jackson.

Capps, earning $3.5 million this season, stands to gain a significant raise in his final year of arbitration. Jackson is owed approximately $1.4 million for the rest of this season and under contract for $8.35 million next season.