Tommy Edman had four hits including his first home run of the season, and Dave Roberts became the fastest manager in history to reach 1,000 career wins after the Los Angeles Dodgers beat the Athletics 9-3 on TuesdayWEST SACRAMENTO, Calif. — Tommy Edman had four hits including his first home run of the season, and Dave Roberts became the fastest manager in history to reach 1,000 career wins after the Los Angeles Dodgers beat the Athletics 9-3 on Tuesday.Miguel Rojas also homered to help the Dodgers to their fourth straight victory and seventh in eight games. Edman had four RBIs while Mookie Betts added three hits.Edman, who missed the first 73 games of the season recovering from right ankle surgery, crushed a first-pitch slider from A’s starter Jeffrey Springs for a three-run homer in the third inning. Edman also had a hit in the fifth then added an RBI single in the seventh.Roberts became the 69th manager in history to reach 1,000 wins and the quickest to do it. Roberts achieved his milestone managerial victory in 1,606 games. Cap Anson, the next fastest, needed 1,641 games and won his 1,000th in 1893. He is the second manager to reach the milestone in the past two days, after Detroit skipper A.J. Hinch won his 1,000th in a 7-3 Tigers win over the Yankees.Colby Thomas homered for the second consecutive game for the A’s.Justin …