ESPN Exhange:

NFL, ESPN go back and forth about Manning investigation ...

profootballtalk.nbcsports.com/.../nfl-espn-go-back-a...

Profootballtalk.com

5 hours ago - Tuesday, T.J. Quinn of ESPN reported that the NFL declined an invitation to collaborate with ... to collaborate with Major League Baseball and the U.S. Anti-Doping Agency regarding an ... NFL has worked with USADA & MLB from the