There is no player currently wearing number 17. The last player on the Chicago Bulls to wear number 17 was Ricky Blanton in 1993.
Currently, it is Mike Fontenout. One of the more popular Cubs who wore #17 is Mark Grace.
As of April, 2010, the team's manager, Bob Geren, wears number 17.
In 2011, the rookie Darwin Barney wears number 15.
21 is currently worn by Joe Mather. It used to be worn by Sammy Sosa though
Alshon Jeffery
Keith Hernandez
In 2011, Blake DeWitt wears number 9.
Anthony Rizzo is number 44 on the Chicago Cubs.
Brian Schlitter is number 63 on the Chicago Cubs.
Carlos Villanueva is number 33 on the Chicago Cubs.
Chris Coghlan is number 8 on the Chicago Cubs.
Chris Rusin is number 18 on the Chicago Cubs.
Dallas Beeler is number 32 on the Chicago Cubs.
Edwin Jackson is number 36 on the Chicago Cubs.
Emilio Bonifacio is number 64 on the Chicago Cubs.
Hector Rondon is number 56 on the Chicago Cubs.
Jake Arrieta is number 49 on the Chicago Cubs.
James McDonald is number 55 on the Chicago Cubs.
John Baker is number 12 on the Chicago Cubs.