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.
Keith Thurman put on a winning performance against Robert Guerrero, and Adrien Broner saw off John Molina Jr.
In a battle of former world champions, Argenis Mendez effectively used his jab to outbox Miguel "Titere” Vazquez and earn a 10-round unanimous decision in a 135-pound bout.
After a dramatic back-and-forth fight full of power punches, Lee vs Quillin was ultimately declared a split decision draw.