Seattle Mariners starting pitcher Chris Flexen delivered a quality start Wednesday against the Houston Astros, throwing six innings and allowing three runs on six hits and a walk while striking out three. It's Flexen's fourth quality start of the year, and he now has a 4.68 ERA, 1.39 WHIP, and 36 strikeouts in 59 2/3 innings. He's pitched somewhat better than his ratios would indicate, but his strikeout rate is simply not high enough to make him fantasy relevant in anything but the deepest ...