Martínez ended up winning the fight with a unanimous decision.
Baysangurov won the European championship in July 2007 with a very close decision over a little-known Frenchman.
Martinez won 2 world titles in April 2010 with a unanimous decision over Kelly Pavlik.
He won after three rounds with a unanimous decision.
Dewees won the final round with a 10-9 decision.
Guerrero won the bout with a 12 round unanimous decision.
Hasegawa showed able defensive skills to ride out the 12th round, and won with a unanimous 3-0 decision.
Hasegawa finally stepped up to decisively win the final two rounds, and won his fourth defense with a unanimous decision.
Lowell won its second game, against five losses, with a significant 5-4 decision over Boston College last Friday.
Margarito won the contest with a unanimous decision of 99-89, 100-88, 99-90.