A few days ago, Rob Biertempfel of The Athletic hinted that Shane Baz would be the player to be named later going to Tampa Bay. Today, John Dreker of Pirates Prospects reported that Baz was indeed the player to be going in the trade:
Breaking news: Shane Baz has been traded to the Rays as the PTBNL
Since then, both the Pirates and Rays have confirmed the official deal is Tyler Glasnow, Austin Meadows, and Shane Baz for Chris Archer is the complete deal.