Mark Appel, No. 1 overall MLB pick in 2013, stepping away from baseball
Former No. 1 pick Mark Appel reaches Triple-A in return, promoted to Lehigh Valley – Phillies Nation
Former No. 1 draft pick Mark Appel thankful for his 2nd chance with Fightin Phils – Delco Times
Astros Take Mark Appel With First Pick in M.L.B. Draft - The New York Times
Former No. 1 overall pick Mark Appel making return to professional baseball in Reading – Phillies Nation
Mark Appel Seeks To Take Command
Mark Appel's Retirement Highlights Challenges Of Scouting
Philadelphia Phillies: Can Mark Appel be the next Daniel Bard?
Mark Appel: Phillies pitcher leaving baseball indefinitely - Sports Illustrated
Mark Appel preparing for comeback attempt with Phillies? | Yardbarker
Mark Appel Class of 2009 - Player Profile | Perfect Game USA
Appel hopes to make MLB debut for Astros in 2015 | kens5.com
Former No. 1 pick Mark Appel is 'stepping away' from baseball
Astros: Life, Mental Health and Other Life Advice from Mark Appel
Mark Appel, ex-No. 1 MLB Draft pick, makes first professional appearance since 2017 - CBSSports.com
Phillies: Mark Appel appears in first outing since 2017
This Former No. 1 Pick Is Trying To Forge An MLB Career … At Age 30 | FiveThirtyEight
/cdn.vox-cdn.com/uploads/chorus_image/image/14349443/appel_astros_card_5.0.jpg "MLB Draft 2013: Mark Appel already has his Astros rookie card - The Crawfish Boxes")
MLB Draft 2013: Mark Appel already has his Astros rookie card - The Crawfish Boxes
Appel fails to sign; no teams lose future picks
:format(jpeg)/cdn.vox-cdn.com/uploads/chorus_image/image/14336171/draft_appel2.0.jpg "MLB Draft 2013: Houston Astros select Mark Appel with the top overall pick - The Crawfish Boxes")
MLB Draft 2013: Houston Astros select Mark Appel with the top overall pick - The Crawfish Boxes
Mark Appel, 2013 No. 1 draft pick, plans to give baseball another shot
Appel recovers from harsh greeting to pro ball | MLB.com
Why Mark Appel, Perhaps the Biggest Bust in MLB History, Is Stepping Away at 26 | Bleacher Report | Latest News, Videos and Highlights
Mark Appel (@markappel26) / Twitter
Analysis: Mark is Appel of Bucs' eye
