December 8, 1977:
The Texas Rangers trade Bert Blyleven to the Pittsburgh Pirates.
The Atlanta Braves trade Willie Montanez to the New York Mets.
The Texas Rangers trade Adrian Devine, Tommy Boggs, and Eddie Miller to the Atlanta Braves.
The Texas Rangers trade a player to be named later and Tom Grieve to the New York Mets.
The Pittsburgh Pirates trade Al Oliver and Nelson Norman to the Texas Rangers.
The New York Mets trade Jon Matlack to the Texas Rangers.
The New York Mets trade John Milner to the Pittsburgh Pirates.
The Texas Rangers trade Ken Henderson (March 15, 1978) to the New York Mets to complete the trade.
They don't make trades like this anymore.