miami dolphins' locker room who had his back the most and they will tell you me. >> reporter: in an interview with fox sports, jay glaser, with fox sports' jay glaser, incognito admits calling martin the "n" word and saying this -- "going to slap your real mother across the face. laughter. you are still a rookie. i'll kill you." >> when i see that voicemail, i'm embarrassed by it. i'm embarrassed by my actions. but what i want people to know, the way jonathan and the rest of our offensive line, how our teammates communicate, it's vulgar. it's not right. >> how do you expect anybody in america to believe you're not a racist? >> it sounds like i'm a racist pig, sounds like i'm a meat head. i'm not a racist. to judge me by that one word is wrong. >> reporter: incognito says this rough banter flowed both ways and says martin once threatened to kill incognito's family. >> now, did i think jonathan martin was going to murder my family, not one bit. >> reporter: he said it is