Depending on the design problem they address, design patterns can be classified in different categories, of which the main categories are: 1  Creational Patterns. 2  Structural Patterns. 3  Behavioral Patterns.
In the 35 nine-inning games played through last night, the average length of a MLB game has been 2 hours, 52 minutes , according to Michael Teevan, spokesperson for Major League Baseball.
Through this past Sunday, the average game time of Major League Baseball games was down about eight minutes from 2014's first week. Last season the average game through the first week was three hours, two minutes, and 25 seconds. This season it's dropped to two hours, 54 minutes, and 39 seconds.