Steelers mourn death of 68-year-old former running back Sidney
Former Steelers running back Sidney Thornton dies at 68
Former Steelers RB Sidney Thornton Dies at Age 68; 2-Time Super
Former Steelers RB Sidney Thornton Passes Away, An Underrated
2022 deaths in the United States (July–December) - Wikipedia
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Steelers mourn death of 68-year-old former running back Sidney
Sidney Thornton dies: Former Pittsburgh Steelers RB was 68
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Pittsburgh Steelers' Super Bowl champion running back Sidney
2022 deaths in the United States (July–December) - Wikipedia
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Former Steelers running back Sidney Thornton dies at 68 - NBC