Numerous talented running backs have made their way to Austin, Texas to play college football over the years. The Longhorns are trying to convince another to do just that. Shreveport (La.) Calvary Baptist four-star running back James Simon was on campus at Texas for the Longhorns’ spring game this weekend. Simon has visited Austin three times, including for the Horns’ junior day earlier this year. Relationships are a key reason why Simon keeps returning to UT. “My relationship with (Tashard) Choice and coach (Steve) Sark(isian) and their talks I have each time I come,” Simon told On3’s Chad Si…