DF shake up

[Matias@Barca]

N_Ake 31 ned 1 23 17 13 17 1 251 412 216 14 0 1349 0 0 0 18 16 8 0 1 4 0 0
D_Upamecano 27 fra 1 22 17 7 27 1 511 973 814 14 0 1349 0 0 0 15 15 5 0 2 4 0 0
N_Sule 29 ger 1 22 16 12 29 1 227 465 633 14 0 1271 1 0 0 15 14 8 1 1 2 0 0
D_Lovren 35 cro 1 21 16 13 29 1 665 347 942 14 0 1186 2 0 0 17 11 15 4 0 6 0 0
K_Walker 36 eng 1 20 16 11 25 1 603 146 157 13 8 643 0 0 0 11 3 7 1 0 4 0 0

Looking to do some 2x2s, trade down Upamecano + Lovren or Walker, losing on Upamecano and gaining age on Lovren or Walker. Same with Sule, lose some main to get younger on either OAP.
Can also add cash or also add players on other positions.