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Insider

Teams that improved most this offseason

2/8/2015
Jeff Samardzija, David Robertson and Melky Cabrera were key acquisitions for the White Sox. AP Photo/M. Spencer Green

Several teams made key singular moves this offseason that could push them over the top and actually have more impact than the overhauls that other teams did. For instance, the Nationals' signing of Max Scherzer gives them the game's best and deepest starting rotation. The Mariners' signing of Nelson Cruz finally got them the right-handed power bat they needed between Robinson Cano and Kyle Seager in the lineup. The Cardinals' trade for right fielder Jason Heyward gives them the game's best defensive right fielder.

These were some of the best moves, but which teams made the best series of moves to make their major league rosters drastically better this offseason? Here are my top five organizations