Play the Chicago Cubs enough times and maybe the Pittsburgh Pirates would escape the cellar of the NL Central. Or not end up with the worst record in the majors, as they did a year ago. Neil Walker hit a grand slam and Andrew McCutchen also homered Friday at Wrigley Field as the Pirates opened their season under new manager Clint Hurdle with a 6-3 victory over the team they beat frequently a year ago. The Pirates lost a majors-worst 105 times last year, but 10 of their 57 victories during their 18th straight losing season came against the Cubs in 15 meetings. Read more: http://sports.espn.go.com/mlb/recap?gameId=310401116