Going for league win. suggestions?

[Sida]

Back:
1. Deledio, B
Pts:113 Avg:108.22
$485,800
2. Adcock, J
Pts:122 Avg:108.88
$457,600
3. Goddard, B
Pts:127 Avg:105.00
$464,700
4. Duigan, N
Pts:92 Avg:76.12
$288,500
5. Lower, N
Pts:143 Avg:85.71
$310,000
6. Stanley, D
Pts:0 Avg:69.57
$275,000
7. Buckley, S
Pts:85 Avg:67.20
$219,400
23. Heppell, D
Pts:111 Avg:91.33
$370,100
24. Markovic, L
Pts:36 Avg:51.38
$209,100
25. Puopolo, P
Pts:71 Avg:66.00
$154,000

mids:
8. Swan, D
Pts:80 Avg:122.12
$512,700
9. Pendlebury, S
Pts:124 Avg:121.75
$518,900
10. Cotchin, T
Pts:112 Avg:102.11
$452,200
11. Judd, C
Pts:102 Avg:110.75
$516,200
12. Selwood, J
Pts:121 Avg:109.71
$543,400
13. Helbig, B
Pts:33 Avg:32.50
$132,200
26. Watson, J
Pts:0 Avg:116.25
$512,900
27. Bewick, R
Pts:35 Avg:38.33
$141,600
28. Hibberd, M
Pts:75 Avg:66.67
$154,800

rucks:
14. Cox, D
Pts:149 Avg:126.25
$513,200
15. Smith, Z
Pts:0 Avg:82.29
$293,200
29. Sandilands, A
Pts:113 Avg:121.25
$554,000
30. Derickx, T
Pts:0 Avg:N/A
$103,600

forward:
16. Fyfe, N
Pts:103 Avg:111.62
$471,200
17. Roughead, J
Pts:121 Avg:99.75
$452,400
18. Riewoldt, J
Pts:104 Avg:85.56
$409,500
19. Chapman, P
Pts:112 Avg:104.14
$467,600
20. Riewoldt, N
Pts:141 Avg:89.75
$388,500
21. Darling, J
Pts:84 Avg:82.75
$326,500
22. Petrie, D
Pts:123 Avg:87.57
$356,700
31. Matera, B
Pts:0 Avg:67.14
$266,700
32. Richardson, C
Pts:0 Avg:44.00
$149,300
33. Mzungu, T
Pts:14 Avg:14.00
$110,200

going for league win. got 9 trades left ( yeah i know, im low on trades, but i plan to make them count ). My midfield will be complete once watsons back and my ruckmans are done. i'm considering upgrading my defence as my forwards mostly average 90-100. thoughts?