Rusney Castillo has been fast-tracked through the minor leagues, and now he’s set to make his debut with the big club.

Boston Red Sox manager John Farrell said Tuesday on MLB Network Radio that the 27-year-old Cuban-born outfielder “likely” will make his major league debut Wednesday against the Pittsburgh Pirates. According to Farrell, Castillo will play center field.

The Red Sox signed Castillo to a seven-year, $72.5 million contract in late August, then sent him to three teams in their minor league system to get his feet wet. Castillo currently is with Triple-A Pawtucket, which will play its season finale Tuesday night in the Triple-A National Championship Game.

Castillo entered Tuesday hitting .297 (11-for-37) with four RBIs in 10 minor league games. He also had walked five times and stolen two bases.

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