On top of that, they signed a trio of top international talents in outfielder Eloy Jimenez, shortstop Gleyber Torres and right-hander Erling Moreno, according to MLB.com.
More moves are no doubt on the way, with Matt Garza likely to net the biggest return, as the Cubs' farm system continues to improve.
As it stands, here is a look at how the organization's top 10 active prospects performed last week, and whether their stock is trending up or down.
Note: Top prospects according to Baseball America Prospect Handbook
*No. 3 prospect RF Jorge Soler (fractured left shin) is currently sidelined and will not be included until he's active. He was hitting .281/.343/.467 with 8 HR and 35 RBI at the time of the injury.
*No. 4 prospect SP Arodys Vizcaino (Tommy John surgery recovery) is currently sidelined and will not be included until he's active.
*No. 5 prospect CF Brett Jackson (strained quad) is currently sidelined and will not be included until he's active. He was hitting .223/.300/.367 with 6 HR and 23 RBI at the time of the injury.
*No. 9 prospect RP Kyuji Fujikawa is not included since he is currently playing at the major league level.
*No. 11 prospect SP Juan Carlos Paniagua is currently dealing with visa issues, according to Baseball America, and will not be included until he is stateside and playing.