By Zach Barnett Riley thinks he can build a better roster at USC than Oklahoma. Is that a shot at OU or himself? In the months since America’s most bitter divorce this side of Johnny Depp and Amber Heard, Lincoln Riley has largely kept Oklahoma’s name out his mouth. Oklahoma has talked about Riley plenty. Bob Stoops, specifically. He’s trotted out the “Lincoln Riley did not invent Oklahoma football” everywhere from OU’s press room to the Oklahoma statehouse. View the original article to see embedded media. The only time I can find Riley giving even a hint of confrontation in OU’s direction — …