Greece goalkeeper Eleftheropoulos joins from relegated Ascoli, while Czech midfielder Jarolim, has come from Slavia Prague and has signed a two-year deal.
Siena are rebuilding after spending much of last season battling against the drop to Serie B, eventually finishing a point above the bottom three in 15th despite being deducted one point for late payment of social security.
© Copyright PA Sport Ltd 2007, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms