In 2015, the Cubs went 3-3 against the White Sox (76 wins), 1-3 against Detroit (74 wins), 3-3 against Miami (71 wins), 2-5 against Philly (63 wins) and 3-3 against San Diego (74 wins). The 2015 Cubs won 97 games that year. In 2016, the Cubs went 3-3 against Atlanta (68 wins), 2-2 against the White Sox (78 wins) and 2-4 against Colorado (75 wins). The 2016 Cubs won 103 games. In 2017, the Cubs went 2-4 against San Diego (71 wins). The 2017 Cubs won 92 games. None of these are bad division teams that the entire division gets to beat up on 15 times a year. There’s a chance beating the Reds the most can be the difference in winning the division