Despite being up 2-1 in the NLDS, today is a pretty important game for the Pirates. A loss not only means that the series goes to a deciding game 5, but that game 5 would be in St. Louis, and the Cardinals would put Adam Wainwright back on the hill for that deciding game. Beating Wainwright at home is no easy task, and they can’t feel very good about that match-up given how poorly the first game of this series went for the Pirates.
So, it’s not an elimination game for Pittsburgh, but this is the one they want to win. Beating Michael Wacha in Pittsburgh is a much easier task than beating Wainwright in St. Louis. To win this game, though, they’re going to need a strong performance from Charlie Morton, or at least, several innings that keep the score close before the battle of the bullpens takes over. If you look at Morton’s season line — 116 innings, 3.26 ERA/3.60 FIP/3.69 xFIP — that doesn’t seem like it should be too much to ask. But Morton, as a pitcher, has one very big flaw that might be a problem against St. Louis today.
Morton throws fastballs about 70% of the time, and most of his fastballs are of the two-seam variety. It’s why he posted a 62% GB% this year, and it’s why he absolutely destroys right-handed batters. He throws a heavy, pounding sinker that just eats RHBs for breakfast, but the same strengths that allow him do dominate righties create serious problems against left-handers.
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