Baseball: Most consecutive no-hitters. Throwing a no-no is a once-in-a-lifetime achievement for most any pitcher. There are only about 30 who have done it twice. The odds of throwing two, let alone two in a row are astronomical, to the point where it probably can’t and won’t happen again. In June 1938, Jonny Vander Meer through two no-hitters in back-to-back starts.