Can anyone explain the St. Louis/Colorado line?

[yisman]

St. Louis has been good on the road, but they are the clearly inferior team here.

The opener made sense, but the line has since dropped.

02/07 12:26 +139 / -151
02/08 06:26 +135 / -146
02/08 11:16 +136 / -148
02/08 14:55 +138 / -150
02/08 16:00 +133 / -144
02/08 16:05 +126 / -136
02/08 16:15 +125 / -135
02/08 16:20 +120 / -130
02/08 16:35 +117 / -127
02/08 16:40 +115 / -125
02/08 17:35 +117 / -127
02/08 17:45 +115 / -125
02/08 18:30 +113 / -122
02/08 18:35 +111 / -120