Rooney has appeared frustrated with an increasingly peripheral role at Everton, having made a bright start to his second spell at the club by scoring 11 goals before Christmas.
Rooney's salary has not been confirmed but it is understood he will be the highest player at the club, with the deal set to keep him there until the end of the 2020 season. DC United looked at bringing Robin van Persie Stateside in January and have remained in the hunt for a marquee striker with global pull.
Hot temperatures continue through Mother's Day Weekend
A shower or gusty thunderstorm in spots in the area early; otherwise, turning out clear to partly cloudy. It's a comfortable morning but we will warm to the upper 80s to 90 degrees again this afternoon.
"There are rumours about Wayne going elsewhere overseas", Allardyce told TalkSport.
Rooney re-joined Everton in July 2017 and is halfway through a two-year deal.
Allardyce is said to be open to the idea of selling Rooney after indicating he will not be able to give him regular game time next season.
Rooney is waiting to see who will be the manager at Everton next season before deciding on his next move.
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Hugh Jackman said it with a sexy grin but it still hurt like hell - Wolverine will NOT appear in " Deadpool 2 ". I mean, you don't earn the nickname "The Merc with a Mouth" for no reason.
With D.C. United moving into their long-awaited soccer specific stadium at Audi Field this July, having Rooney on board when the MLS transfer window opens in July would surely be ideal timing for them to make a splash.
Wazza, 32, is crossing the pond to join the L.A. Galaxy's Zlatan Ibrahimovic, 36, and the Chicago Fire's Bastian Schweinsteiger, 33, in American MLS. While Rooney gets to continue to play regularly, and Everton begin to build for the future.
"At the moment he is an Everton fan as well as an Everton player so I wouldn't consider anything is on the cards at the moment".
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The incident drew comparisons to last month's arrest of two men at a Philadelphia Starbucks as they waited for a friend to arrive. Mitchell says that she was told that the Waffle House was closed, despite being a 24-hour restaurant.