The key departure was that of Glasnow, the 21-year-old right-hander whose first Major League camp experience lit up everyone's eyes, including his.
"It was really good. I learned from all the guys and had a really good time," said Glasnow, who placed the education in the mental file. "Getting to pick everyone's brain, getting to see how they deal with practice. Just a lot of questions and a lot of good answers."
"Glass made a great impression in camp, on and off the field," Pirates general manager Neal Huntington said. "He came in hungry to learn, to listen, to watch how big leaguers prepare and go about their business."
Glasnow's one Grapefruit League impression was also solid: On March 5, he had a perfect inning against the Yankees, striking out two.
"That was awesome," Glasnow said. "It was only one inning, but a really good experience, with all the emotion of the game. It was really fun, and it was cool that I did well, too."
Glasnow is scheduled to begin the season with Double-A Altoona. His out-the-door instructions were pretty basic.
"Continue doing what he's doing," Huntington said. "The breaking ball is getting tighter, the changeup is getting better. His ability to use the fastball in the top and bottom of the zone is really intriguing."
Like Glasnow, the other four reassigned players were also in camp on non-roster invitations and had their moments in the Grapefruit League sun.
Boscan allowed one hit in 2 2/3 innings, Sampson pitched one hitless frame and Sanchez allowed one run in 1 2/3 innings. Broxton appeared in eight games, with one single in 10 at-bats.
Sampson may not have Glasnow's pedigree, but with some Triple-A experience after spending most of the 2014 season in Altoona, he is closer to Pittsburgh.
"The tough part of this is they all get a brief look -- one or two innings," Huntington said. "Adrian has the ability to help us at some point this summer, and we're looking forward to it."
The moves still left 58 players in Major League camp, including 27 pitchers. Also still active are 16 infielders, nine outfielders and six catchers.