Nickname Seeks Player: Vote on “Opening Day”

The nomination process, which was just delightful, is now complete. And now, citizens of America and her conquered lands, the time for taking part in the illusion of democracy has come.
The FanGraphs Administrative Subdivision Devoted to Patriotic Outcomes, known in commoner’s pidgin as La Svetlana, has whittled the list of vetted eligibles down to 10.
Your guiding query: Which player, because he is joyous, should be nicknamed “Opening Day”? Vote with care, caution and undying fealty to Dear Leader …
Thank you for exercising the franchise.