Why Hasn't Lamar Jackson Signed a New Deal Yet?

Should athletes be able to fully trust professional franchises? One megastar player on the Rams believes so; however, that might not be the smartest way to think for most players. Also, what is the hold up in Lamar Jackson’s negotiation with the Ravens? Jackson should’ve already signed a market setting deal by now. Is he getting in his own way by not having his contract extension already set?