![MLB Hall of Fame: Astros, Mets Billy Wagner's fastball](https://img.mlbstatic.com/mlb-images/image/private/t_2x1/t_w1536/mlb/mzjyklkjjdzaz2dffdyo.jpg)
Astros' all-time best relief pitchers
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Astros' best players not in the Hall of Fame
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MLB Hall of Fame: Astros, Mets Billy Wagner's fastball
![MLB Hall of Fame: Astros, Mets Billy Wagner's fastball](https://images2.minutemediacdn.com/image/upload/c_fill,w_1440,ar_16:9,f_auto,q_auto,g_auto/shape/cover/sport/https-3A-2F-2Fclimbingtalshill-com-2Fwp-content-2Fuploads-2Fgetty-images-2F2017-2F07-2F643727-850x560-fcfd4b68e86bf702e83237a8628dd491.jpg)
Several players remain Astros Hall of Fame candidates
![MLB Hall of Fame: Astros, Mets Billy Wagner's fastball](https://cdn.vox-cdn.com/thumbor/K9XMyVksSK8Y8vNFpcp2nUH1Nss=/1400x1050/filters:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_asset/file/13641341/120981424.jpg.jpg)
Billy Wagner's Hall of Fame case - Amazin' Avenue
![MLB Hall of Fame: Astros, Mets Billy Wagner's fastball](https://s.hdnux.com/photos/11/53/64/2538778/18/1200x0.jpg)
13 notable athletes who wore No. 13
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NY Mets: Billy Wagner deserves Hall of Fame recognition
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Baseball Hall of Fame: Billy Wagner's path to Cooperstown opening up
![MLB Hall of Fame: Astros, Mets Billy Wagner's fastball](https://a.espncdn.com/photo/2007/0322/mlb_g_wagner_195.jpg)
Velocity helps, but location is important, too - ESPN
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Billy Wagner's Hall of Fame case