The Padres now have the most expensive left side of the infield ever.
14 years, 340 million
Full no Trade Clause, no opt outs
So long as they don't piss him off at any point during the deal he's here for basically his whole career. (Unless he decides to pull a Pujols at 36 yo)
14-yr. deal! Tatis in SD for long haul (sources)