* The Colorado Rockies are bringing up a new pitcher named Mark Manfredi to play for them. He used to be part of the Milwaukee Brewers' team.
* The Rockies got Mark Manfredi from the Brewers when they traded away a player named Antonio Senzatela. This means both teams swapped players to help their teams.
* Mark Manfredi is a pitcher who throws really fast and can make batters miss the ball. Even though he's new to the big leagues, he's getting a chance to play because the Rockies need more pitchers.