Tyron Smith’s girlfriend Lexi Placourakis is one of the good ones. Often we’ve been contacted by wives and girlfriends yelling at us for inaccurate information. And things get even more heated when there’s a kid involved. Fortunately for us, our dealings with Lexi Placourakis were quite friendly and reflected nothing more than a mother with only one concern: that being her child. Tyron Smith’s girlfriend Lexi Placourakis has known the Cowboys lineman since before his…