A weekly boxing list compiled by Michael Rosenthal. This week: Vitali and Wladimir Klitschko are probably the most-noted fighters to come out of Ukraine. But are they the greatest? Here’s the list of the best professional fighters from the Eastern European nation. Vitali Klitschko faces Albert Sosnowski on Saturday in Gelsenkirchen, Germany.

1. Louis “Kid” Kaplan (109-21-13, 29 KOs): Hall of Famer immigrated with his family to the U.S.
2. Wladimir Klitschko (54-3, 48 KOs): Most-dominating heavyweight of his era.
3. Vitali Klitschko (39-2, 37 KOs): Half of the greatest heavyweight brother tandem.
4. Sergei Dzindziruk (37-0, 23 KOS): Miniature version of the Klitschkos is tough to beat.
5. Wladimir Sidorenko (21-2-2, 7 KOs): Held a bantamweight title for more than three years.
6. Vyacheslav Senchenko (30-0, 20 KOs): Holds a version of the welterweight title.
7. Andreas Kotelnik (31-3-1, 13 KOs): Former junior welterweight titleholder.
8. Ismayl Sillakh (12-0, 11 KOs): Big-puncher has the potential to become a star.
9. Alexander Dimitrenko (29-1, 19 KOs): Six-foot 7 (201cm) heavyweight title contender.
10. Yuri Nuzhnenko (30-1-1, 14 KOs): Lost to countryman Senchenko in only title bid.

Michael Rosenthal can be reached at [email protected]