While September callups are typically associated with Quad-A guys that fantasy owners are never going to hear from again, there were quite a few interesting names summoned this year. Kevin Cron of the Arizona Diamondbacks (and younger brother of C.J. Cron) could produce big power numbers if he gets a chance to play, making him a worthwhile speculative add if you're desperate for pop. He's also an intriguing name to stash in the back of your mind for 2020 drafts.Of course, the biggest name is ...