Moise Kean has been discharged from hospital and is in no danger after collapsing on the pitch following a clash of heads during Fiorentina's defeat at Verona, the Serie A club said on Monday.
The 24-year-old Italian international striker was stretchered off in the second half of Sunday's 1-0 loss in a worrying repeat of what happened to Fiorentina teammate Edoardo Bove who had a heart attack earlier this season.
But in a statement, Fiorentina said Kean had been "discharged from hospital in Verona overnight and has returned to Florence.
"Medical and diagnostic tests all produced negative results," added Fiorentina.
Kean has had an eventful season since moving to Fiorentina from Juventus, scoring 19 times in all competitions for the Tuscan club and playing his way back into the Italy team.
Kean netted the decisive goal in Italy's Nations League match with Israel in September.
Earlier this month he was targeted with racist abuse on social media by Inter Milan supporters after Fiorentina's defeat at the San Siro.