Singleton to be called up by Astros, after last playing in majors

Astros' Jon Singleton Homers Twice in Storybook Return to Houston

Pro baseball: Jon Singleton's debut with Astros is a mixed bag

Jon Singleton: Astros baseman elated to be back hitting dingers

MLB: Singleton Homers Twice in Verlander's 500th Start to Lead

Brewers first baseman and Former Astros slugger set to make first

Jon Singleton called up; Astros promotions for September games

Astros: It's Jon Singleton season in Baltimore!

Astros call up first base prospect Jon Singleton - Los Angeles Times

Astros Call Up Jon Singleton

Failed marijuana tests nearly end slugger Singleton's career - The

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