It was worn on 8/7/2017 and on 8/19/2017 against the Philadelphia Phillies. The MLB hologram on it is: JB852006. It can easily be authenticated on the
![Madison Bumgarner San Francisco Giants Game Used Jersey 2017 MLB Auth](https://i.ebayimg.com/images/g/E4sAAOSw5rxhBD0T/s-l400.jpg)
Madison Bumgarner San Francisco Giants GAME USED, WORN, ALT Black Jersey
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Lot Detail - 2015 Madison Bumgarner Game Used San Francisco Giants Black Alternate Jersey (MLB Auth & Giant's Dugout Pro Shop Tag)
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Jeff Samardzija San Francisco Giants Game Used Worn Jersey 2016 July 4th MLB
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2017 Topps Gypsy Queen Baseball Checklist, Details
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San Francisco Giants Signed Jerseys, Collectible Giants Jerseys
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Fleer – SABR's Baseball Cards Research Committee
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San Francisco Giants - 2018 Black Alternate Gigantes Game-Used Jersey - Madison Bumgarner - 6.0 IP, 2 SO, WIN (size 50)
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Baseball Equipment- Sports Card and Sports Memorabilia Auctions
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Why did Bruce Bochy come out of retirement? We went to his Nashville home to find out
It was worn on 8/7/2017 and on 8/19/2017 against the Philadelphia Phillies. The MLB hologram on it is: JB852006. It can easily be authenticated on the
![Madison Bumgarner San Francisco Giants Game Used Jersey 2017 MLB Auth](https://i.ebayimg.com/images/g/Jf4AAOSwAdlhBDqq/s-l400.jpg)
Madison Bumgarner San Francisco Giants GAME USED, WORN, ALT Black Jersey