PFT PM: Fernando Mendoza signs rookie deal; Tyreek Hill still isn't healthy

Mike Florio (@profootballtalk) breaks down the latest news from around the NFL including Raiders QB Fernando Mendoza officially signing his rookie deal and the status of free agent WR Tyreek Hill's recovery from knee surgery. Plus, Florio opens the PFT PM mailbag to answer listener questions about the NFL in Canada, what it would take to get all grass fields, and the one sandwich to rule them all. 

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