Cubs in no rush with prospects 

June, 11, 2014
Jun 11
9:05
AM ET
The Pittsburgh Pirates finally promoted Gregory Polanco to the major leagues, and the outfielder made his debut on Tuesday against the Chicago Cubs, going 1-for-5 on the night. Seeing a top prospect get the call is sure to have Cubs fans now asking when they'll get to see their own stars of the future begin their big league journeys.