Sandro Dell'Agnello began his basketball player career relatively late. He was hired in the local team of Pallacanestro Livorno where he had the opportunity to highlight his physical and athletic skills. In a friendly match against a selection of American All Stars, Dell'Agnello made a block to the famous Houston Rocketscenter, Moses Malone. This athletic movement, made in a period when the gap between European and American basketball was huge, gave him fame. In 1985, repeating the exploit stopping Michael Jordan too. In his long career as a power forward player, he played with Pallacanestro Livorno, Phonola Caserta, Virtus Roma, Scavolini Pesaro, Mens Sana Siena, Cordivari Roseto, and finally with Bipop Carire Reggio Emilia. He won the Italian League in the 1990–91 season, with Phonola Caserta, writing in the final series against arch-rivals Olimpia Milanothe best pages of his career, being crucial in the last two games won by Caserta. Sandro Dell'Agnello retired in 2003 at the age 42. Up to now, he appears to be the 5th player of all time to have played the most minutes in the Italian league with 18483 minutes in 662 total appearances and 7557 points scored. He is the 13th rebounder of all time with 3146 rebounds and 13th shot blocker with 426 blocks, reflecting his considerable athletic skills. With the Italy national team he won the silver medal at the Eurobasket 1991 in Italy. He also took part in the Eurobasket 1989, at the FIBA Basketball World Cup in 1986 and 1990, and the 1990 Goodwill Games.
Coach career
In Livorno he began his coaching career. He was called in the final season in Serie A by TDShop.it Livorno, but he couldn't achieve the salvation, already partially compromised. It is confirmed the following year in LegaDue. The beginning of the season is not easy. The club was penalized by 4 points and it was built on a small budget. But Dell'Agnello, with the great return of Tommaso Fantoni and the Latvian player Troy Ostler in the roster, allows them to save and also to touch the playoffs. The Italian coach is confirmed in Livorno also for the 2008–09 season. In 2009 he went to Reyer Venezia for one season, and later to Basket Brescia Leonessa and Fulgor Libertas Forlì. Since June 2013 Dell'Agnello was the new head-coach of Consutlinvest Pesaro, but on January 13, 2015 he was sacked. On June 23, 2015 he became the new head-coach of Pasta Reggia Caserta. On July 1, 2017, Sandro Dell'Agnello became new head-coach of New Basket Brindisi, but on December 11 of the same year, he was sacked by the club.