By Emma Baccellieri The Cardinals were two outs from a Game 1 win when everything fell apart. ST. LOUIS — There have been a few core pieces the Cardinals have been able to count on all season. One is Ryan Helsley—among the sharpest relievers in the game, to say nothing of the hardest-throwing, who finally unlocked his potential this year with career-low walks and career-high strikeouts. Another is the infield defense—an efficient, cohesive unit, responsible for the fewest team errors in baseball. The roster certainly has other assets. But these? They’ve been the most reliable—less like mere st…