for sure Cache isn't one of the NiP's favorite maps, but overall they are quite ok on it, and on the other hand TSM provided several shaky performances, and we consider it as one of the few maps where they are beatable by the rest of T1 teams.
Current CSGL odds are skewed in favor of TSM; mostly because they just won FBM, but overall we find this game as kinda suitable for an upset, and we wouldn't be surprised to watch NiP taking it, so we are oriented in going Low on them.