Question: Which American sportscaster was produced by WAER, and now is employed by ESPN?
Sentence (from "WAER"): It is best known, however, for its sports staff, which has produced the likes of Bob Costas, Marv Albert, Dick Stockton, Mike Tirico, Sean McDonough, Bill Roth, Ian Eagle, Brian Higgins, Adam Schein, Hank Greenwald, Dave O'Brien (sportscaster), Andy Musser, Beth Mowins, Andrew Catalon, Carter Blackburn, Dave Pasch, Cory Provus, Jason Benetti, Todd Kalas and many others.
Relevant evidence: Yes