Ranking past 15 No. 1 overall MLB draft picks, from top tier to too soon to tell to mistakes
Philadelphia Phillies call up former Houston Astros first overall pick Mark Appel
Optioned to Phillies minor league camp, it's put-up or shut-up time for Mark Appel
Top pick leaving baseball after failing to reach majors
Mark Appel released by Phillies; Edmundo Sosa impressing
Fantasy Baseball June 30 Round Up: Bryan Reynolds Hits 3 Home Runs, and Mark Appel Makes Long-Awaited MLB Debut
Mark Appel's long journey takes him to Phillies' major-league roster, at last - The Athletic
Is Mark Appel the worst 1st overall pick in MLB history?
CHECK OUT THE PHILLIES SOON-TO-BE 31-YEAR-OLD MLB VIRGIN!
Phillies release former No. 1 overall draft pick Mark Appel
Mark Appel Seeks To Take Command — College Baseball, MLB Draft, Prospects - Baseball America
Pirates Only Team Unable to Sign First-Round Draft Pick - The New York Times
Cliff Corcoran: Breaking down what each draft pick has yielded from 1990-2010 - Sports Illustrated
MLB Draft: The best and worst No. 1 picks over the last 25 years