Roy Halladay is having an amazing year, and he's been pretty special over the last month or so as well. In six starts, he has gone 3-2 with a remarkable 1.91 ERA while holding his opponents scoreless three times. This streak includes a game where his opponent took a perfect game into the ninth inning, and Halladay threw nine shutout innings without getting a win, complete game, or shutout for his efforts.
But Halladay you know about. Here is a list of 10 other players who are currently lighting the major leagues on fire, but doing so quietly.