For the 2003 to 2009 seasons, he was the color commentator for Baltimore Orioles television broadcasts, alongside play-by-play announcers Jim Hunter and Gary Thorne on the Mid-Atlantic Sports Network. From 2005 to 2009, Martinez was a co-host of XM Radio's "Baseball This Morning" show on the MLB Home Plate channel and contributed color commentary for Sunday afternoon games and on TBS, as well as for the network's postseason coverage. In late April 2009, Buck substituted for the ill Jerry Remy as commentator for the three game Red Sox–Rays series for NESN.