What Tammy Abraham  brings to. Roma?

Kevin Oghenetega Tamaraebi Bakumo-Abraham, known as Tammy Abraham, is an English professional footballer who plays as a striker for club A.S. Roma and the England national team. 

Associazione Sportiva Roma, commonly referred to as Roma, is an Italian professional football club based in Rome. Founded by a merger in 1927, Roma have participated in the top-tier of Italian football for all of their existence except for the 1951–52 season.

Chelsea Football Club is an English professional football club based in Fulham, West London. Founded in 1905, the club competes in the Premier League, the top division of English football.