1. 
   Curveball
   [informant] Rafid Ahmed Alwan al-Janabi (رافد أحمد علوان, Rāfid Aḥmad Alwān; born 1968), known by the Central Intelligence Agency cryptonym "Curveball", is an Iraqi citizen who defected from Iraq in 1999, claiming that he had worked as a chemical engineer at a plant that man...
   Found op http://en.wikipedia.org/wiki/Curveball_(informant)
   
   
2. 
   curveball
   (from the article `baseball`) The fundamental, or regulation, curve is a swerving pitch that breaks away from the straight line, to the left (the catcher`s right) if thrown by a ...
   Found op http://www.britannica.com/eb/a-z/c/171
   
   
3. 
   Curveball
   The curveball is a type of pitch in baseball thrown with a characteristic grip and hand movement that imparts forward spin to the ball causing it to dive in a downward path as it approaches the plate. Its close relatives are the slider and the slurve. The "curve" of the ball varies from pitcher to ...
   Found op http://en.wikipedia.org/wiki/Curveball
   
   
4. 
   Curveball
   [Ugly Betty] "Curveball" is the twenty third episode in the third season, the 64th episode overall, of the American dramedy series Ugly Betty, which aired on May 21, 2009. This episode doubles as the first part of a two hour episode, a first in the series` history. ==Plot== After watching a ...
   Found op http://en.wikipedia.org/wiki/Curveball_(Ugly_Betty)
   
   
5. 
   curveball
   1) Delivery that could lead to a strike 2) It may cause a strike
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/curveball/1
   
   

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