Early struggles, should I worry?

[sal25lbc]

If you see anyone having a slow start, I drafted him! I thought my team would fair ok but some of these guys are killing me. Do you guys see any moves I can make or should I stand pat and trust that these guys will pull it out? I'm currently in 9th (out of 10)

C Matt Wieters
1B Prince Fielder
2B Brandon Phillips
3B Aramis Ramírez
SS Troy Tulowitzki
OF Justin Upton
OF B.J. Upton
OF Vernon Wells
Util Carlos Peña

SP Dan Haren
SP Johan Santana
SP Ricky Nolasco
SP Ricky Romero
SP Justin Duchscherer
RP Francisco Cordero
RP José Valverde

Bench Hunter Pence, Adam Jones, Carlos Beltran, Rick Porcello, Brandon Webb, Kevin Correia, Mat Latos, Chris Young (SD)