Cheri Oteri, Chris Kattan, Tracy Morgan Cheri Oteri, Chris Kattan, Tracy Morgan

Tracy Morgan has two words for his former Saturday Night Live co-stars, Cheri Oteri and Chris Kattan: "F--- 'em."

According to Defamer, the 30 Rock star says his ex-colleagues mistreated him during their SNL years together in his upcoming autobiography, I Am the New Black — and judging by his ad-libs during his audiobook recording, Morgan's not over it.

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"I could remember those two, especially those two people, treating me like the invisible guy. Now look where they at. Cheri Oteri, she can't even get arrested," he says in the clip. "Where's Chris Kattan now? They never going to host Saturday Night Live

."  The Emmy-nominated Morgan, who has hosted SNL, adds that Will Ferrell, Colin Quinn and Molly Shannon treated him "beautifully," unlike Kattan and Oteri, whom he says looked down upon him.

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"That's what happened to me over there. They never treated me well," he says. "I never cared for them either. F--- 'em."Listen to the clip here.I Am the New Black hits shelves Oct. 20. 30 Rock returns Thursday at 9:30/8:30c on NBC.