Complex sentence: In March 2015, a security filing from Braves owners Liberty Media allotted $672 million for SunTrust Park and $452 million for The Battery Atlanta, which adds up to a total cost of above $1.1 billion.
Split into simpler sentences: In March 2015, a security filing from Braves owners Liberty Media allotted $672 million for SunTrust Park and $452 million for The Battery Atlanta. It adds up to a total cost of above $1.1 billion.