MLB trade deadline tracker: Zack Greinke heads to Astros; Cubs get Castellanos, plus details for all major deals

MLB trade deadline tracker: Zack Greinke heads to Astros; Cubs get Castellanos, plus details for all major deals

The 2019 MLB trade deadline was on Wednesday at 4 p.m. ET. Unlike previous years, there is no waiver period in August, which means deals had to happen ahead of that aforementioned deadline. Some big …