The Call-Up

The Call-Up: Jonathan Pettibone

The Phillies summon a replacement pitcher from the farm.

An injury to Ryan Zimmerman clears room for the Nationals' top prospect for the second straight season.

The Red Sox summon a groundballing righty to face the Royals.

The skinny on the Brewers' new starter.

The Reds have called up pitching prospect Tony Cingrani to start in place of Johnny Cueto

Arcia might only be up for a few days, but a strong first impression could lead to an everyday outfield role before long.

Gyorko is splitting time between second and third base to begin the season, but will eventually move to the keystone full-time.

The young Red Sox center fielder shows up earlier than expected, but is he ready to contribute right now?

Aaron Hicks.

Jose Fernandez makes the Marlins roster; will skip the high-minors in 2013

A scouting report on Manny Machado, who received a surprising call-up to the big leagues on Wednesday night.

The third overall pick in 2007 is the new third baseman for the Cubs

Can Cubs outfielder Brett Jackson hit enough to survive in the big leagues?

The Red Sox call on Ryan Lavaranway, but will his stay be permanent?

A look at A's right-hander Dan Straily, who will make his big league debut on Friday.

A look at the immediate and long term future of Mike Olt with the Rangers.