The Chicago Cubs picked up a series-opening victory behind a strong start from Marcus Stroman and some timely hitting. The Chicago Cubs opened up a three-game set against the Philadelphia Phillies Tuesday with a tough task in front of them as Philadelphia sent Zack Wheeler to the mound to face the red-hot Marcus Stroman. The Phillies were looking to further stave off the Milwaukee Brewers, entering the day with a 1.5-game lead over Milwaukee for the final National League wild-card spot. As expected, the game turned into a rock fight quickly, with neither side getting much of a rally going…