In about two weeks, Gregory Polanco could be playing in the majors. The month of June is usually when we start to see a lot of promotions throughout the minor league system, and sometimes the promotions are a chain reaction. Once Polanco moves up, that opens a spot in Indianapolis for an outfielder from Altoona. The newly vacated spot in Altoona opens a spot for someone to move up from Bradenton. And so on.
Usually you will see the chain reaction type promotions with pitchers. You're not usually going to have a group of position players all in line for a promotion at the same time, and all playing the same position.
Last year, the promotions started around the second week of June. Here were the dates for each of the major promotions:
Tim is the owner and editor in chief of Pirates Prospects. He started the site in January 2009, and turned it into his full time job during the 2011 season. Prior to starting Pirates Prospects, Tim worked with AccuScore.com, providing MLB, NHL, and NFL coverage to various national media outlets, including ESPN Insider, USA Today, Yahoo Sports, and the Wall Street Journal. He also writes the annual Prospect Guide, which is sold through the site. Tim lives in Bradenton, where he provides live coverage all year of Spring Training, mini camp, instructs, the Bradenton Marauders, and the GCL Pirates.