| Date | Time | Headline |
|---|
| Tue Sep 12 2017 | 06:44 | RHP Arcenio Leon given unconditional release Monday |
| Mon Jun 12 2017 | 01:44 | RHP Arcenio Leon optioned to Triple-A Toledo before Sunday's gam... |
| Mon May 29 2017 | 03:59 | RHP Arcenio Leon threw 1-2-3 eighth inning with strikeout in maj... |
| Sat Apr 4 2015 | 11:46 | The White Sox reassigned Leon to minor league camp Friday |
| Sun Dec 7 2014 | 10:46 | Leon signed minor league contract with White Sox |
| Tue Oct 1 2013 | 17:30 | Brewers re-sign Arcenio Leon to minors deal |
| Wed Jan 9 2013 | 17:33 | Brewers outright Arcenio Leon to AAA |
| Mon Jan 7 2013 | 18:45 | Arcenio Leon designated for assignment |
| Fri Nov 2 2012 | 14:37 | Arcenio Leon claimed off waivers |
| Fri Oct 5 2012 | 11:24 | Arcenio Leon recalled |
| Tue Mar 13 2012 | 23:36 | Astros option RHP Leon to Double-A |