http://www.spotrac.com/mlb/disabled-list/
That's listed by players then days on the DL. Money is a bit meaningless on the cubs because most of their hitters are cheap.
Better way to look at it is probably this
Zac Rosscup RP CHC Shoulder 94 $269,404
R.J. Alvarez RP CHC Elbow 94 $261,978
Dallas Beeler RP CHC Undisclosed 94 $261,226
Christian Villanueva 3B CHC Leg 94 $260,662
Kyle Schwarber LF CHC Knee ACL 89 $253,828
Jorge Soler LF CHC Hamstring 29 $581,044
Tommy La Stella 2B CHC Hamstring 28 $81,396
Matt Szczur CF CHC Hamstring 19 $53,105
Miguel Montero C CHC Back 17 $1,300,551
Dexter Fowler CF CHC Hamstring 17 $743,172
Clayton Richard RP CHC Finger 15 $163,935
Javier Baez 2B CHC Thumb 13 $37,011
Chris Coghlan LF CHC Ribs 3 $78,690