*D.C. United star Dwayne De Rosario underwent various tests Friday morning at RFK Stadium and, according to the veteran attacker, “there doesn’t seem to be any serious knee injury.”

He and the other field starters didn’t practice Friday, typical for the day after a match. United (9-9-11) will play at Columbus (11-12-8) on Sunday afternoon.

“Hopefully tomorrow, with proper treatment and stuff, it feels better,” he said of what was officially described by the club as a contusion. He is listed as probable for the Crew match.

“I’ll have to see how I feel come Sunday. It feels sore right now and I don’t know if it will feel that much beter tomorrow but hopefully it does. We need as much bodies as we can right now.”

The injury occurred in the first half of the 3-2 loss at Philadelphia on Thursday, leaving De Rosario limping noticeably for a few moments. He scored his MLS-leading 14th goal and remained in the match until the 61st minute.

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Forward Charlie Davies (11 goals) resumed training after missing Thursday’s match with a stomach virus. He is expected to be available Sunday.

*Coach Ben Olsen said it’s too early to tell whether defender Dejan Jakovic, who has been sidelined several weeks after straining a hamstring, will travel with the squad to Ohio. He would be a natural replacement for Brandon McDonald, who will serve a yellow card suspension. Other options to join Ethan White in central defense include right back Perry Kitchen and left back Marc Burch.

Even if Jakovic is healthy, he hasn’t played in more than a month and isn’t in form. “It feels alright, day to day, but it’s early” to return, he said.

I’ll have much more on the defensive options in Sunday’s print editions (available online late Saturday).

*De Rosario was called up by Canada for World Cup qualifiers Oct. 7 and 11, but could he possibly make it to Vancouver from Toronto and be fit for United’s match Oct. 12 at Vancouver?

“That’s pretty much a longshot, especially if he sees minutes in that game,” Olsen said. “That’s just setting him up for injury.”

As for goalkeeper Bill Hamid being called up for U.S. duty in the same FIFA window and possibly returning for the Vancouver match, “Juergen [Klinsmann] has been very cooperative with our needs while still balancing his needs. We’ll talk with him and I’m sure something will be figured out.”

Hamid, Tim Howard and Nick Rimando are on the U.S. roster.

*With the regular season nearing the end and its playoff aspirations being tested, United will begin paying closer attention to matches that have a direct bearing on its future.

On Saturday, United (38 points) prefers:

Houston (42) and Chicago (36) to tie

Toronto to defeat New York (39)

Dallas to defeat Colorado (42)

San Jose to defeat Kansas City (44)

On Sunday, in addition to winning at Columbus, DCU needs:

Vancouver to defeat Portland (37)

Philadelphia (43) to lose to Chivas USA