Dansby Swanson hit three home runs, including a grand slam, Michael Conforto homered twice and the Chicago Cubs pounded the San Diego Padres 23-3 on WednesdayCHICAGO — Dansby Swanson hit three home runs, including a grand slam, Michael Conforto homered twice and the Chicago Cubs pounded the San Diego Padres 23-3 on Wednesday.Swanson had a career-high eight RBIs – second-most in major league history from a player batting ninth. Seiya Suzuki, Pete Crow-Armstrong and Michael Busch also homered for the Cubs, who scored their most runs in a home game since 1977.Swanson, who hit two home runs Tuesday, became the first Cub with back-to-back multihomer games since Patrick Wisdom in August 2021. He has nine home runs and 29 RBIs over the past 13 games. A day after the Padres and Cubs combined for nine homers in a 9-7 Cubs win Tuesday, they combined for nine more with the wind howling to center again as Sung-Min Song hit the first of his career for the Padres. The Cubs are 14-5 with the wind blowing out at Wrigley Field this season.The Cubs (49-38) have won five straight after sweeping the Padres (43-42), who have lost five in a row.Suzuki’s three-run homer in the first made him the fourth Japanese-born player in major league history with 100 in his career, joining Shohei Ohtani (290), Hideki Matsui (175) and Ichiro Suzuki (117).Cubs starter Colin Rea (6-5) …