D.C. United’s Jaime Moreno successfully underwent arthroscopic surgery in his right knee Jan. 24. Moreno had been struggling with a bone bruise in the knee, and was only able to play in the first of United’s three matches last week in the CONCACAF Champions Cup in Los Angeles. Team doctor William Hazel performed the procedure. ôDr. Hazel cleaned out Jaime’s right knee to promote healing,ö said United athletic trainer Rick Guter. ôWe expect him to be out of action 6-8 weeks. ôRight now we’re looking at having him ready for the season opener.ö United begins the 2001 campaign April 7 against Kansas City. MLS Injury Report: Chicago Fire: Midfielder Dema Kovalenko suffered a left knee sprain and left hamstring strain during informal training last week. A MRI performed by the team’s physician, Dr. Preston Wolin, confirmed a sprain of Kovalenko’s Lateral Collateral Ligament (LCL) on the outside of his knee, as well as a strained hamstring tendon suffered in the hyperextension of the knee. He will be out approximately 4-6 weeks, but will not require surgery. … Forward Josh Wolff underwent successful hernia surgery (Jan. 19), as two pins that were causing him discomfort were removed from the mesh covering his right abdominal muscle. Wolff will need 2-3 days to recover. He had hernia surgery last year prior to Spring Training. Los Angeles Galaxy: Defender Robin Fraser is rehabilitating from reconstructive left shoulder surgery. He will resume light training in mid-February and should resume full contact and be match fit by late March. Fraser sustained the nagging injury during the 2000 season, and required the surgery following the 2000 MLS Cup Playoffs. … Midfielder Danny Pena is rehabilitating after right knee surgery for a torn ACL (June 12). He will resume light training on February 6 and full contact in late March. … Defender Danny Califf is recovering from surgery (Jan. 10) to repair a broken nose. He is listed as day-to-day with an estimated 4-6 weeks for full recovery. Miami Fusion: Defender Jeremy Aldrich, who suffered a lower back strain at the end of last season, has resumed training but was held out of the friendly against Glasgow Rangers. … After right knee surgery to repair damaged cartilage suffered last season, Miami midfielder Keith Beach is continuing rehabilitation and is not training with team. … Defender Leo Cullen who had right knee surgery for a torn MCL (suffered July 19), has resumed non-contact training with the team. … Defender/midfielder Brian Kamler is out for three weeks as a result of a minor facial fracture suffered in practice (Jan. 17). San Jose Earthquakes: Midfielder Dario Brose is experiencing tendinitis in his right knee. The condition appears to be responding to treatment and Brose will begin conditioning with the team as symptoms allow. … Midfielder Wojtek Krakowiak has a strained right groin suffered in an international friendly. Krakowiak is reporting reduced pain and will begin jogging if symptoms continue to abate. … Defender Jamie Clark will begin conditioning with the team as a right oblique strain is much improved. Tampa Bay Mutiny: Midfielder Daniel Alvarez, who suffered a torn left ACL (Jan. 13), will soon undergo knee surgery. His status will be evaluated after the procedure. … Midfielder Kevin Anderson had adductor surgery in late December, his status will be determined based upon his response to rehabilitation. … Midfielder Josh Keller underwent adductor surgery (Jan. 19) after sustaining an injury in training earlier this month. … Midfielder Dominic Kinnear required adductor surgery (November) after injuring himself in preseason 2000. … Forward Amos Magee is listed as day-to-day with a lumbar strain suffered during training (Jan. 16). … Defender Mark Shulte required hernia surgery in December. He is recovering in Ohio where the procedure was performed. His return to Tampa is yet to be determined.