Do I need better Outfielders and Pitchers?

[dundeeslugger]

10 team 5x5 roto league
22 starters 2 reserve

c J Lopez c Mauer 1 J Thome
2 A Soriano 3 Lowell ss N Garciaparra
of P Wilson of Hidalgo of G Jenkins
of A Dunn of D. Young u M Young
u Delgado bench V Wells
bench Figgins

sp C.C. Sabathia C Carpenter
C Pavano B Penny
M Clement

rp Smoltz M Herges O Dotel