Prospects inspire imagination. Fantasy owners overpay annually to own the best rookies-to-be, anxiously waiting for news of their call to the majors.
There isn't room in this list for all of the truly special debuts, partially because every single major-league debut is unique and notable in its own way, if only to the player and his family.
Two of these seven I've chosen happened in 2010, and stand out in my mind because I watched them live. I was able to partake in the childish wonderment of unproven men with seemingly limitless potential first hand.