Many posters here in recent days have thrown around "90 wins" as the magic number to win the wildcard. This leads to much hand-wringing, as that would require the Cubs to go 30-9 the rest of the way. First, here is how the standings would end up if everyone played at their current winning percentages the rest of the year:
PHI: 86-76 (20-18 the rest of the way)
HOU: 86-76 (21-18)
FLA: 85-77 (21-19)
WSH: 84-78 (20-19)
NYM: 84-78 (21-19)
MIL: 80-82 (19-19)
CHC: 79-83 (19-20)
So at the current rate, 86 wins would win the WC. Now let's see what teams would need to do to reach other win totals, and how many more wins they would need above their current winning % to attain it: 90 Wins:
CHC: 30-9 (+11)
PHI: 24-14 (+4)
HOU: 25-14 (+4)
FLA: 26-14 (+5)
WSH: 26-13 (+6)
NYM: 27-13 (+6)
MIL: 29-9 (+10)
88 Wins:
CHC: 28-11 (+9)
PHI: 22-16 (+2)
HOU: 23-16 (+2)
FLA: 24-16 (+3)
WSH: 24-15 (+4)
NYM: 25-15 (+4)
MIL: 27-11 (+8)
So if anyone were to get to 90 wins, they would have to put on at least a little bit more of a streak than anyone has shown so far. The Cubs best bet is for the WC winner to be in the 86-88 win range, as they would only have to play 10 over .500 or so the rest of the way (still a stretch, but certainly could happen)