I was just looking into that their team splits, here's an outline.
Colorado Rockies (24-38)
Home Record: 15-21 (.417)
Road Record: 9-17 (.346)
Home Batting (35 Games, 1382 PAs) - Does not include today's game
Runs/Game 6.37
.291 BA
.360 OBP
.511 SLG
.871 OPS
HR/PA 0.0398
135 sOPS+ (far better than most teams at home)
Away Batting (26 Games, 954 PAs)
Runs/Game 3.5
.227 BA
.286 OBP
.372 SLG
.658 OPS
HR/PA 0.0241
86 sOPS+ (worse than most teams on the road)
http://www.baseball-reference.com/teams/split.cgi?t=b&team=COL&year=2012#hmvis::none
Home Pitching (35 Games, 1464 PAs, 320 IP)
Opp Runs/Game 6.46
.310 Opp BA
.372 Opp OBP
.495 Opp SLG
.868 Opp OPS
5.91 ERA
1.65 WHIP
144 sOPS+ (far worse than most teams at home)
Away Pitching (26 Games, 966 PAs, 217 IP)
Opp Runs/Game 4.85
.276 Opp BA
.350 Opp OBP
.471 Opp SLG
.821 Opp OPS
4.69 ERA
1.507 WHIP
122 sOPS+ (worse than most teams on the road)
http://www.baseball-reference.com/teams/split.cgi?t=p&team=COL&year=2012#hmvis_extra::none
TL;DR - I expect the Rockies to play like dog shit this weekend, if the Tigers lose, I'll be extremely disappointed in them