Austin 'No Doubt' Trout (30-2, 17 KOs) wore down Joey 'Twinkle Fingers' Hernandez (24-4, 14 KOs) with body shots before scoring a sixth-round knockout.
Thurman remained unbeaten when Collazo's corner stopped the fight after Round 7, and Willie Nelson handed Tony Harrison his first loss with a ninth-round knockout.
Adonis Stevenson battered Tommy Karpency in explosive fashion en route to a third-round TKO win in Toronto.
Lee Selby consistently landed the harder shots, rocking Montiel with both hands en route to winning a unanimous decision and retaining his world title.
In a momentum swing sudden enough to cause whiplash, Julio Ceja turned the tables on Hugo Ruiz in spectacular fashion and gained a fifth-round knockout.
Felix Diaz proved a stiff test but Lamont Peterson proved the far more accurate fighter, earning him a victory by majority decision.
Barthelemy shut out DeMarco and Vasquez outslugged Wale Omotoso to win a unanimous decision and remain undefeated.
Andre Berto sent local fighter Josesito Lopez home with a knockout, Shawn Porter won a knockout over Erick Bone, and Chris Areola defeated Curtis Harper by unanimous decision.
Omar Figueroa Jr. remained undefeated with a unanimous decision win over Ricky Burns, and Jamie McDonnell retained his 118-pound world title with a unanimous decision over Tomoki Kameda.