12-team Points League - what should I do to improve my team?

[topkat2008]

12-team standard points League, max 1440 IP
Hitting: 1pt for 1B, 2pt for 2B, 3pt for 3B, 4pt for HR, 2pt for SB. 1pt for Walk, -1pt for SO.
Pitching: 10pt for W, -5pt for L, 5pt for CG, 7pt for SV, 3pt for Holds, -3pt for SaveOpp, 1pt for SO, -1pt for Walk, -1pt for Hit.

C Posada
1B Konerko
2B Hudson
3B ARod
SS Renteria
CI ARam
MI Betemit
OF Wells
OF Sheffield
OF Swisher
OF Huff
Util Gomes
Bench Guillen, Greene

SP Carpenter, Schilling, Myers, Harden, Olsen
RP Hoffman, Gagne, Shields
Bench Oliver Perez, Chuck James, J.Jennings, Wheeler, Julio

How did I do?