I think it's Tigres who has the pressure on. No one, and I mean no one, expects one of the worst teams in MLS to beat the best team in CONCACAF. RSL needs to remember that and gamble for that second goal.
The only hole I will punch in your argument is that THIS RSL team is not one of the worst in the league. This RSL team is a playoff team.
Martinez initiated the hell out of that contact too. Luck favors the bold, I guess. Hope they don't blow this chance.