ESPN.com news services reported the story and noted Taillon struck out six for the Double-A Altoona Curve against the Erie SeaWolves.
Taillon released a heartfelt statement after the news of his diagnosis initially broke:
Jameson Taillon @JTaillon19
Taillon is just 25 years old with a bright future as the No. 2 overall pick in the 2010 amateur draft behind superstar Bryce Harper. Taillon has a 3.31 ERA and 1.33 WHIP in six starts this season and posted a 3.38 ERA in 18 starts as a rookie last year.
Sunday was an important step in his journey back to the major league level, and he impressed during his limited workload.