Miami’s Dwyane Wade will have to wait another day for his second opinion. Wade was scheduled to have noted specialist Dr. James Andrews examine his dislocated left shoulder, but severe weather kept Andrews from making the trip from Birmingham, Ala., to South Florida for the meeting. TENNIS: Top-ranked Roger Federer dropped a set for the second time in three matches, yet defeated Serbian teenager Novak Djokovic 6-3, 6-7 (6), 6-3 to reach the Dubai Open semifinals.Russia’s Mikhail Youzhny upset second-seeded Rafael Nadal 7-6 (5), 6-3. Top-seeded James Blake was given a quarterfinal spot in the Tennis Channel Open, hours after the ATP Tour initially ruled that he had been eliminated during round-robin play. Blake led Juan Martin del Potro 6-3, 3-1 when the Argentine player retired because of respiratory distress. The tour ruled that he would have won his round-robin group if del Potro hadn’t retired. Unseeded American Sam Querrey defeated No. 15 seed and fellow Californian Paul Goldstein, 6-4, 1-6, 6-4. Querrey had 16 aces and Goldstein had none. It was the second time in two weeks that Querrey has defeated Goldstein. Querrey (Thousand Oaks) advanced to the quarterfinals, as both he and Goldstein beat No.6 seed Julien Benneteau of France. Sixth-seeded Daniela Hantuchova rallied from a set down and 1-4 in the second to upset No. 3 Martina Hingis 1-6, 6-4, 6-4 to reach the Qatar Open semifinals. SOCCER: Rookie Anthony Hamilton scored in each half, including the final goal, as Chivas USA tied Cal State Fullerton 3-3 in an exhibition. VOLLEYBALL: The pro beach volleyball tour is adding a new stop in Long Beach, with men’s and women’s matches set for July 19-22. 160Want local news?Sign up for the Localist and stay informed Something went wrong. Please try again.subscribeCongratulations! You’re all set! Portland Trail Blazers president and general manager Steve Patterson abruptly resigned Thursday after owner Paul Allen refused to renew his contract. The move came with the Trail Blazers in next-to-last place at 24-34, a season after they had the worst record in the NBA. Tod Leiweke, chief executive officer of the Seattle Seahawks, will take over while a full-time replacement is found. Allen, the billionaire co-founder of Microsoft, also owns the Seahawks. Philadelphia 76ers rookie forward Rodney Carney is day-to-day with a torn rotator cuff and labrum in his right shoulder.