Pitching coach Larry Rothschild has signed a one-year contract to return to the Cubs after a weighing an offer to go to the Detroit Tigers and be reunited with manager Jim Leyland. Rothschild was Florida's pitching coach and Leyland the manager when the Marlins won the 1997 World Series. Leyland was hired last week to manage the Tigers; Detroit's general manager, Dave Dombrowski, was the Marlins' GM in that championship year. "It was a very tough decision," Rothschild said. "Probably for about five or six days I went back and forth a lot, talking to people. With Dave Dombrowski and Jim, we won a World Series and I had a relationship with both