"Can of corn" is a phrase commonly used in baseball to describe a fly ball that is very easy to catch. However, there are several other synonyms that can be used in place of this phrase, including "a lazy pop-up," "a routine fly ball," "an effortless out," or simply "an easy catch." In many cases, these synonyms can be used interchangeably with "can of corn" to describe a relatively unchallenging fly ball. Whether you're reporting on the game or just talking with friends about a recent play, using a variety of synonyms can help keep your language fresh and interesting.