Jean-Jacques Taylor, Cowboys insider for NBC 5 in Dallas-Fort Worth (KXAS-TV) and host of J Dub City 9 a.m.-1 p.m. weekdays on 103.3 KESN-FM, answered questions during a live chat Monday. Here are some highlights:Question: Does Bartolo Colon make the Rangers roster -- your prediction, please?Jean-Jacques Taylor: I don't think so, but the Rangers are desperate for pitching and if there's an injury in the last couple of weeks of the spring, I could see it opening a door for him.Q: Does Martin Perez show improvement this year?