Set Building – Page 2 – SABR's Baseball Cards Research Committee
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Roger Metzger Values - MAVIN
April 29, 1974: Astros' win over Cubs marred by Roger Metzger's near-fatal collision – Society for American Baseball Research
Set Building – Page 2 – SABR's Baseball Cards Research Committee
Houston Astros history - 1974 season
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File:Roger Metzger - Houston Astros - 1976.jpg - Wikimedia Commons
Roger Metzger Values - MAVIN