The St. Louis Cardinals had a tough day in the standings on Saturday, but that doesn't mean it was all bad. St. Louis faced off against the Seattle Mariners and ended up losing, 11-9. Riley O'Brien looked human for the first time this season. O'Brien entered the day without a run allowed in his first 13 outings of the season. Unfortunately, that trend ended on Saturday. O'Brien allowed two earned runs and suffered his first loss of the season. It was a back-and-forth, high-scoring affair. In the third inning, the Cardinals took a 7-4 lead. The Mariners tied it up in the sixth inning. In the seventh inning, St. Louis took the lead back thanks to a Nathan Church homer. The Mariners knotted the score at nine in the eighth inning and then won it in the ninth. St. Louis has hit a wall over the last few days and now has lost three games in a row, including two against the Mariners. While this is the case, there is a reason for optimism right now for St. Louis fans and it was the performance of No.…