On November 25, 2015, a 39-year-old Jan Zaveck (35-3, 19 KOs) got a shot at the super-welterweight WBA (Regular) title held by 32-year-old American boxer Erislandy Lara (21-2-2, 12 KOs).
Zaveck came in to the fight on a 3-fight win streak with a 50% KO rate, and was fighting after a gap of 7 months and 14 days. Lara was on a 2-fight win streak with a 48% KO rate, and fighting after a layoff of 5 months and 13 days.
Erislandy Lara made easy work of Jan Zaveck, stopping the challenger via TKO in the 3rd. Lara improves his record to 22-2-2 (13 KOs), while Zaveck adds a loss to his record at 35-4.
On March 9, 2013, a 36-year-old Jan Zaveck (32-2, 18 KOs) and a 24-year-old American boxer Keith Thurman (19-0, 18 KOs) met in the ring in a welterweight bout.
Zaveck came in to the fight on a 1-fight win streak with a 52% KO rate, and was fighting after a gap of 11 months and 13 days. Thurman was on a 19-fight win streak with a 94% KO rate, and fighting after a layoff of 3 months and 13 days.
Keith Thurman defeated Jan Zaveck via unanimous decision in the 12-round welterweight fight. Thurman improves his record to 20-0, while Zaveck adds a loss to his record at 32-3.
On September 3, 2011, the 35-year-old IBF welterweight world champion, Jan Zaveck (31-1, 18 KOs), faced a 27-year-old American boxer Andre Berto (27-1, 21 KOs), in a title defense fight.
Zaveck came in to the fight on a 6-fight win streak with a 56% KO rate, and was fighting after a gap of 6 months and 16 days. Berto was on a -1-fight win streak with a 75% KO rate, and fighting after a layoff of 4 months and 18 days.
The champion refused to continue the fight in the 5th round, and Andre Berto is crowned the new IBF welterweight world champion. Berto improves his record to 28-1 (22 KOs), while Zaveck adds a loss to his record at 31-2.
On November 29, 2008, a 32-year-old Jan Zaveck (25-0, 14 KOs) and Rafał Jackiewicz met in the ring in a welterweight bout.
Zaveck came in to the fight on a 25-fight win streak with a 56% KO rate, and was fighting after a gap of 5 months and 14 days.
Jan Zaveck lost to Rafał Jackiewicz via split decision in the 12-round welterweight fight, and adds a loss to his record at 25-1.