Complex sentence: During the season Baggio suffered an injury against Bari, which kept him out for three weeks, although he became accepted by Juventus fans, and was seen as a leader around whom the club's play was centred.
Split into simpler sentences: During the season Baggio had begun to suffer physical problems, suffering an injury against Bari, which kept him out for three weeks. During this season, Baggio began to become accepted by Juventus fans, and was seen as a leader around whom the club's play was centred.