January

Seattle Mariners sign SP Max Scherzer to a 5 year $75 million contract extension

Kansas City Royals sign RP Tommy Hunter to a 4 year $26 million contract extension

Cleveland Indians sign C Carlos Santana to a 4 year $26 million contract extension

Chicago Cubs sign SS Starlin Castro to a 4 year $26 million contract extension

San Francisco Giants sign C Buster Posey to a 4 year $26 million contract extension

San Francisco Giants sign SP Madison Bumgarner to a 4 year $26 million contract extension

Oakland Athletics sign C Jonathan Lucroy to a 4 year $26 million contract extension

Atlanta Braces sign SP Justin Verlander to a 5 year $100.5 million contract extension