While other pitchers and position players hope to impress, Rule 5 picks Lance Pendleton and Aneury Rodriguez have to impress, if they want to stay with the club, according to McTaggart (and the general rules of baseball).
"To some extent, they're under more scrutiny. There is a timetable that dictates you have to make your determination sooner rather than later. Every time one of those guys steps on the mound, you're going to have to be bearing down on what they're seeing."
Click the link to see how both are dealing with the pressure, and words of wisdom from Wesley Wright.