Buffalo Bisons
Development Update |  | | Friday, September 20th, 2013 | | First Base C. Sweeney (Ottawa Moose, Short Season A) hitting potential INCREASES. |
| Thursday, September 19th, 2013 | | Left Field P. García (Quebec Stallions, Rookie League) hitting potential INCREASES. |
| Saturday, August 31st, 2013 | | Reliever C. Sosa (Quebec Stallions, Rookie League) pitching potential DROPS. |
| Saturday, August 24th, 2013 | | Reliever A. Ayala (Quebec Stallions, Rookie League) pitching potential DROPS. |
| Tuesday, August 20th, 2013 | | Starting Pitcher J. Sánchez pitching potential DROPS. | | Reliever E. Patterson (Quebec Stallions, Rookie League) pitching potential INCREASES. |
| Saturday, August 17th, 2013 | | Right Field I. Immerrechts (Quebec Stallions, Rookie League) hitting potential DROPS. | | Reliever Z. Göbelbecker (Rochester Loons, Single A) pitching potential DROPS. |
| Friday, August 16th, 2013 | | Shortstop K. Miyata (Halifax Captains, Double A) hitting potential INCREASES. |
| Saturday, August 3rd, 2013 | | Second Base L. Padilla (Quebec Stallions, Rookie League) hitting potential DROPS. |
| Saturday, July 27th, 2013 | | Reliever M. Gómez (Quebec Stallions, Rookie League) pitching potential INCREASES. |
| Saturday, July 20th, 2013 | | Starting Pitcher R. Janurio (Quebec Stallions, Rookie League) pitching potential DROPS. |
| Saturday, June 22nd, 2013 | | Starting Pitcher B. Li (Hartford Whalers, Triple A) pitching potential DROPS. | | Shortstop H. Wirtz (Quebec Stallions, Rookie League) hitting potential INCREASES. |
| Friday, June 14th, 2013 | | Center Field R. Soto (Quebec Stallions, Rookie League) hitting potential INCREASES. |
| Saturday, June 8th, 2013 | | Reliever J. Campos (Quebec Stallions, Rookie League) pitching potential DROPS. |
| Saturday, May 25th, 2013 | | Third Base F. Salas (Ottawa Moose, Short Season A) hitting potential DROPS. |
| Thursday, May 16th, 2013 | | Center Field L. Salazar (Ottawa Moose, Short Season A) hitting potential DROPS. |
| Saturday, May 4th, 2013 | | Reliever E. Maes (Ottawa Moose, Short Season A) pitching potential INCREASES. |
| Thursday, May 2nd, 2013 | | Third Base J. Barrón (Ottawa Moose, Short Season A) hitting potential DROPS. |
| Tuesday, April 23rd, 2013 | | Third Base A. Sánchez (Halifax Captains, Double A) hitting potential DROPS. | | Starting Pitcher F. Shui pitching potential DROPS. |
| Saturday, April 6th, 2013 | | Right Field J. Wilson (Quebec Stallions, Rookie League) hitting potential DROPS. |
| Saturday, March 30th, 2013 | | Reliever J. Ríos (Halifax Captains, Double A) pitching potential DROPS. | | Catcher S. bin Yahyah (Quebec Stallions, Rookie League) hitting potential DROPS. |
| Saturday, March 16th, 2013 | | Reliever A. Chávez (Quebec Stallions, Rookie League) pitching potential INCREASES. |
| Thursday, March 14th, 2013 | | Starting Pitcher R. Jordan (Ottawa Moose, Short Season A) pitching potential INCREASES. |
| Sunday, March 3rd, 2013 | | Reliever R. Ayala pitching potential INCREASES. |
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