Two things that Texas coach Tom Herman needs to prove in 2018

Tim Cowlishaw, sports columnist for SportsDayDFW.com and The Dallas Morning News, author of Drunk on Sports and panelist on ESPN's "Around the Horn," answered your questions about the Cowboys and college sports in his reader mailbag. Here are some highlights.

What does Tom Herman have to prove at Texas this season?

Tim Cowlishaw: I would say two things. One is that he can produce victories. A 6-6 regular season didn't look much different from what Texas fans had seen the previous two regimes. I'm talking about just the end of the Mack Brown era and then Charlie Strong. So there has to be some progress on the results front in Year Two. The other is he has to show that he is correct about one…