The St. Louis Cardinals have arguably done enough so far this season to put the talks of trading pieces away on hold, for now. That doesn't mean that the Cardinals should go out and trade a handful of prospects away for some sort of star. That also isn't the case. The Cardinals need to see what this young roster can do. So far, the young Cardinals have been one of the best overall teams in baseball. St. Louis has a better record than teams like the Philadelphia Phillies, Los Angeles Dodgers, Pittsburgh Pirates, Cincinnati Reds, Boston Red Sox, Toronto Blue Jays and the Detroit Tigers, among many others. It would be a phenomenal story if this young roster could somehow find its way to the playoffs later on in the campaign. But again, there's no reason to go all in just yet. If the Cardinals keep winning at this clip, they should avoid trading key contributors away and simply find some sort of bullpen help and go from there. That doesn't mean to go out and swing a blockbuster deal.…