Complex sentence: On 1 November, Calleri and Boca Juniors were crowned champions of Argentine Primera División, having scored 10 goals in 26 matches, achieving his first title as a professional player.
Split into simpler sentences: On 1 November, Calleri and Boca Juniors were crowned champions of Argentine Primera División. He scored 10 goals in 26 matches, achieving his first title as a professional player.