From Classic Games, this is "Major League Baseball Trivia Board Game" from 1990.  It contains one game board with action spinner, 4 micro player pieces and stands, carrying case, and 99 baseball player trivia cards unique to this game according to the package.  Trivia cards are factory sealed. 

Per the package: "Questions include a rookie section so all age groups and knowledge levels can play together.  Trivia cards can be combined with other Classic Major League Baseball board games."  

The plastic case that contains the game board and trivia cards has yellowed and the handle is detached on one side. It is otherwise intact.  The game within the case has not yellowed; it has not been played.

Plastic case (including the handle) measures 12" x 9.25" x 1.25"; case and game weigh 11.8 ounces.  The game itself measures 9.5" x 8" x 0.75" and weighs 8.5 ounces.

Stored in a smoke-free, climate-controlled home.  Shipment by US Postal Service Priority mail.