"The Red Sox Radio Network consists of 61 stations (40 A.M., 21 F.M. and 6 F.M. translators) in the 6 New England states, along with New Mexico, New York, and Wyoming. The primary English-language announcers are Joe Castiglione and Dave O'Brien, who alternate play-by-play and color commentary. Sean Grande and Lou Merloni fill in for O'Brien when the latter calls Monday Night Baseball for ESPN."@en . . .