Input on two Positions!!!!!

[jma500]

MY 4th starter is Mud Cat, should I upgrade. I play at Griff(The other three teams play at Olympic and 2 Forbes).
Or, Devore is my cf, should I upgrade here?
MY team is
Ojeda, Koosman, Mullin
Bullpen is
Henke, kerfeld, patterson D, hall brusstar (I can subtract one)
Offense is
schalk, chance, gehringer, steiny,aparicio, simmons a, devore, rice s :?:
opinions and recommendations are welcomed!!!!!

[Moriarity]

As the consistent winners will tell you, you'll want at least a -3 arm in CF for a pitcher's park like Griffith. Sam Rice will hit OK, but you may want better defense for RF. Good luck....