MLB: Composure is Awesome...When You Have It

Sometimes, as a pitcher, you don't actually pitch all that badly, but your defense plays, well, shoddy baseball.Last night was a rare instance in which both Alex Rodriguez and Derek Jeter committed errors; although these errors did not directly lead to Anaheim Los Angeles runs, they did continue the innings for Angels' bats and ultimately culminated in two three-run home runs.***A few days ago I heard someone mention that the unearned runs a pitcher gives up should be used as a measuring stick more often. After all, unearned runs do more than just tell you the number of runs that don't contribute to ERA; unearned runs tell one about a pitcher's ability to remain unshaken and not get unnerved when his defense falters behind him.So, how do Yankee pitchers stack up?It shouldn't be much of a surprise that the best Yankees' pitchers also have the fewest unearned runs, and that the number of UR, for the most part, increases based on spot in the pitching rotation:C...