Power pitchers seem to generate most of the attention in baseball. They have hard fastballs and sliders that they can blow by hitters. Non-strikeout pitchers also have a place amongst the greatest players in baseball history.
These other players put much more of an emphasis on control. They were able to use their pinpoint accuracy amongst other things to get batters out.
While this list is about non-strikeout pitchers, there are a few players on this list who are near the top of the career strikeout charts as a product of their longevity.