Short answers, pulled from the story.
Gabriel Batistuta scored 56 goals in 78 official matches for Argentina, making him the country's all-time leading scorer. He held that record until the 21st of June 2016, when Lionel Messi surpassed it.
Gabriel Batistuta is the only player in football history to score hat-tricks in two different World Cups. He scored one against Greece at the 1994 tournament and another against Jamaica in 1998, becoming the fourth player ever to score multiple World Cup hat-tricks.
Roma paid 70 billion lire, equivalent to 36.2 million euros, for Batistuta in 2000. The fee was the highest ever paid for a player over the age of 30 at the time.
Batistuta chose to stay with Fiorentina when they were relegated to Serie B in 1993, rather than move to a bigger club. He helped the club win the 1993-94 Serie B title and return to the top flight, contributing 16 goals that season.
Batistuta suffered severe ankle pain after retiring in 2005. The pain became so intense that he reportedly asked a doctor to amputate his legs, a request the doctor refused. He underwent surgery and his condition improved slightly, though he still faced difficulty walking as of a 2017 interview.
Batistuta played for Fiorentina from the 1991-92 season through the 1999-2000 season. He is Fiorentina's all-time top scorer in Serie A with 151 goals, and the club erected a life-size bronze statue of him in Florence in 1996 while he was still playing.