"Roberto Clemente has switched from pop-off-pills to pep up pills. The Pittsburgh Pirates have switched, too. They've abandoned the National League's Battle of the Bottom and instead have declared war on the rest of the league. The Pirates, with Clemente at the front of the attack, extended their winning streak to 10 games Sunday by clobbering the New York Mets, 9-1 and 12-0. [...] Manager Harry Walker attributes the change to several factors, Clemente among them. It was only earlier this month that the league's defending batting champion was quoted as saying: "I want to be traded from this club, and I don't want to play for this manager any more." Clemente thought differently soon afterward and now is doing a lot of playing for Walker. He's also taking a lot of pep pills to combat the weakness that remains from the malaria attack he suffered during the winter. The illness kept him away from most of spring training and still has him at less-than-playing weight. The pills apparently are working. During the winning streak, the 30-year-old right fielder is hitting .458 and has raised his season's average to .308. In the New York series he rapped 11 hits in 19 trips to the plate."