The 29-year-old has had something of a nomadic career thus far, playing for Hajduk Split, Blackburn Rovers and Dnipro Dnipropetrovsk before joining Fiorentina.
The signing of Kalinić gives Milan manager Vincenzo Montella another option to call upon in the attack, joining another summer signing in Portuguese global André Silva and 19-year old youth system product Patrick Cutrone.
Acura Lifts the Curtain on a New Prototype Racer
Additionally, Team Penske's IndyCar driver Helio Castroneves has also been linked to the Acura and Penske's lineup. Powering Acura's new prototype race auto is a twin-turbo AR35TT V6 engine.
The seven-times European champions said they had signed Kalinic "on loan with an obligation to buy", but did not specify the length of the loan period. Kalinic signed a four-year contract through to June 30, 2021. He ended up successfully passing his medical with the Red and Blacks on Monday, and has now sealed the transfer for a fee rumoured to be in the range of €25 million.
He will compete with fellow new arrival Andre Silva for starting striker duties at Milan, with youngster Patrick Cutrone also still at the club.
Kalinic first moved to Italian football back in 2015, scoring 33 goals in 83 appearances since.
US Navy to relieve commander after collisions in Asia
REUTERS/Calvin Wong The damaged USS John McCain is docked next to USS America at Changi Naval Base in Singapore August 22, 2017. Rodney Davis said McCain crew member Logan Palmer is from the Decatur, Illinois, area and his mother identified him as missing.
Milan will now be hoping to challenge Juventus, Napoli and Roma for the Serie A title after a promising and active transfer window, with players like Leonardo Bonucci, Mateo Musacchio, Ricardo Rodriguez and Hakan Calhanoglu all being brought in.
Milan won 3-0 away to Crotone in their opening game of the season on Sunday.
These photographs capture the eclipse as it crosses the continental US
ET, ABC News' David Muir will lead the network's live coverage of the astronomical event from within the path of totality. The next total eclipse in the United States will be on April 8, 2024, and New England will be in the path of totality.