The stunning acquisition of left-hander Jose Quintana enhances the Cubs' chances to erase their 51/2-game deficit in the National League Central.
But the Cubs will need more than Quintana to answer these five questions successfully as they enter the second half Friday night at Baltimore.
Can Cubs end starters' stumbling?
If the starters have been coping with ailments as serious as pitching coach Chris Bosio revealed Tuesday, then it's fair to assume they won't come close to pitching deep into games in the second half as they did in 2016.
And it's incumbent for them to treat the first inning like closer Wade Davis treats the ninth. The 81 runs...