Off to an OK start, but where can I improve? (newbie)

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12 Team 5X5

Thanks for the help!

C Paul Lo Duca
CI Aramis Ramírez
CI Michael Cuddyer
MI Jimmy Rollins
MI Bill Hall
BN Brandon Phillips
OF Magglio Ordóñez
OF Adam Dunn
OF Bobby Abreu
BN Jeff Francoeur
BN Austin Kearns
BN Adam LaRoche

SP Johan Santana
SP Dan Haren
SP Justin Verlander
SP Mark Buehrle
SP Boof Bonser
SP Zack Greinke
RP Mariano Rivera
RP José Valverde
RP David Weathers
RP Taylor Tankersley
RP Jorge Julio
DL Octavio Dotel
DL Freddy García