According to Front Office Sports' Michael McCarthy, ESPN is preparing an offer to Tony Romo that would make the current CBS broadcaster the highest-paid sportscaster in TV history.
The multi-year deal, McCarthy reports, would pay between $10 and $14 million annually.
Romo is a broadcasting free agent this offseason. He is currently finishing the final year of his initial contract with CBS, a three-year deal for around $4 million annually. A source told Front Office Sports that CBS has the right to match ESPN's offer. It's additionally unclear what role Romo would exactly have if he did move to ESPN. CBS altered its top booth for Romo's arrival, something that network executives at FOX and…