"A proven goalscorer but the curious thing for me is how he fits in with Tammy Abraham, because I love Tammy's game and I think he's been tremendous.
"So maybe Timo Werner can play off the left side at times but they have multiple players there for those positions, with [Callum] Hudson-Odoi and [Christian] Pulisic.
"But it's a terrific signing for Chelsea, I think they needed to make a statement and they've done that.
"To go with [Hakim] Ziyech and all these terrific young players, I think Chelsea are building something, not to compete next season for the Premier League but definitely in two or three years' time to compete to win the Premier League.
"Terrific signing, I think Chelsea fans are going to love him."