Noah Wyle -- I Own a Piece of Jackie Robinson History

Noah Wyle has a killer sports memorabilia collection -- KILLER -- and last night, the "Falling Skies" actor revealed his most prized possession ... and it has to do with Jackie Robinson.

Wyle was leaving Madeo last night with his girlfriend Sara Wells when we started talking baseball ... since the former "ER" star is known for being an avid baseball card collector.

But when it came to the crown jewel of Wyle's collection -- it wasn't a card ... but it has something to do with the 1952 Brooklyn Dodgers, one of the most important squads in the history of baseball.

And why, you ask? Just take a look at the roster -- Jackie Robinson, Pee Wee Reese, Gil Hodges, Duke Snider and Joe Black, the first African American pitcher to win a World Series game.