"He [Icardi] was called up but didn't want to travel with the rest of the squad to Vienna".
"It was a hard decision but it was supported by everyone at the club and made for the good of Inter as well as the team".
Rapid Vienna welcome Inter to the Allianz Stadion for their Europa League Round of 32 match on Thursday evening.
"The things going on around Icardi have disturbed us, both him and the team which he used to captain".
This is not the first time Spalletti has fallen out with his captain, he previously sent Francesco Totti home from Roma training in February 2016.
Icardi has become crucial to the Nerazzurri since joining from Sampdoria in 2013, scoring 122 goals in 210 outings while lifting the Capocanniere award for Serie A's most prolific scorer on two occasions.
One particular bugbear has been Icardi and Nara's apparent sustained courtship of Real Madrid, with the Argentine a regular visitor to the Spanish capital and a guest at the Bernabeu for December's Copa Libertadores final between Boca Juniors and River Plate.
"There has been a lot of nonsense said about Mauro, for example a supposed fine that did not exist", she said in recent comments to reporters. "I can not understand if these bad things come from outside or within".