NEW YORK — New baseball union head Tony Clark says players won't agree to terminating contracts as part of discipline for drug violations. Clark took over as executive director of the Major League Baseball Players Association following the death of Michael Weiner in November and expects talks on possible changes to the drug agreement to start before spring training. Commissioner Bud Selig proposed last March that drug penalties be toughened, but Weiner had said any alterations would be discussed for the 2014 season.