Jim Callis
O’s top pick DL Hall preps for his first full season of pro ball
Former Orioles top draft pick DL Hall preps for his first full season of pro ball
Will O’s take a chance: Is Sisco ready for the majors?
Will O's take a chance: Is Chance Sisco ready to be a major league catcher?
Jim Callis on what makes a player a good prospect
MLBPipeline.com's Jim Callis on what qualities turn a player into a good prospect
Some thoughts from Jim Callis of MLBPipeline.com
Thoughts from Jim Callis of MLBPipeline.com on Machado's value, O's farm
MLBPipeline.com’s Jim Callis says O’s farm has made solid progress
MLBPipeline.com's Jim Callis says Orioles farm system has made solid progress
What is the ceiling for Trey Mancini?
After a stellar rookie season, what is the ceiling for young outfielder Trey Mancini?
Jim Callis on Trey Mancini’s top 30 omission
Callis on Mancini's omission from list of top 30 prospects based on long-term futures
Talking O’s prospects with MLBPipeline.com’s Jim Callis (video)
MLBPipeline.com's Jim Callis on Chance Sisco's progress, where O's farm now stands
A preview of the draft and the O’s outlook with MLBPipeline.com’s Jim Callis
With First-Year Player Draft starting tonight, who do O's take with first-round picks?
Should the Orioles look to draft more college players this year?
Should Orioles be targeting more college talent in 2015 First-Year Player Draft?