NEW YORK – Baseball’s trade market sprang to life with a pair of swaps two days after the World Series.

The Chicago White Sox acquired Mark Teahen from the Kansas City Royals on Friday for infielders Josh Fields and Chris Getz and cash, and Minnesota obtained shortstop J.J. Hardy from Milwaukee for outfielder Carlos Gomez, one of the players the Mets sent to the Twins in the Johan Santana deal.

Two top pitchers were blocked from becoming eligible for free agency when teams exercised their 2010 options. Cliff Lee, who beat the Yankees twice in the World Series, gets a $9...

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