Transactions BASEBALL Chicago (AL): Extended P Cliff Politte's contract through 2005. Cincinnati (NL): Assigned Ps Mike Matthews, Aaron Myette and Juan Padilla to Louisville (IL). Minnesota (AL): Claimed C Corky Miller on waivers from Cincinnati (NL). Seattle (AL): Fired manager Bob Melvin. Toronto (AL): Named John Gibbons manager, Mike Barnett hitting coach, Brian Butterfield third base coach, Bruce Walton bullpen coach, ...