Mark Appel makes it to the MLB 9 years after being No. 1 pick
Even the No. 1 overall pick is no sure thing. Just ask Mark Appel - ESPN
Phillies' Mark Appel to make long-awaited MLB debut
Former First Overall Draft Pick Mark Appel is Ready to be Next Man Up in Philadelphia Phillies' Major League Bullpen - Sports Illustrated Inside The Phillies
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Mark Appel elated after callup to Phillies
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Phillies' Mark Appel shares heartfelt advice after finally making MLB debut
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Mark Appel Makes MLB Debut After 9 Years of Struggles and Time Away from Baseball - FanBuzz
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