Photos:: Mayweather vs. Pacquiao weigh-in

Unbeaten welterweight champion Floyd Mayweather Jr. weighs in at 146 pounds, one pound below the limit, during the official weigh-in on Friday at the MGM Grand Garden Arena.

Manny Pacquiao, a world champion in a record eight divisions, weighs in at 145 pounds on Friday during the official weigh-in for his title unification bout against Floyd Mayweather Jr.

Manny Pacquiao thrusts his arms in the air, along with a protein bar, after weighing in for the welterweight title unification bout against Floyd Mayweather Jr.

Manny Pacquiao flexes after his official weigh-in Friday with his image broadcast behind him on a big screen at the MGM Grand Garden Arena, where 15,000 people paid to witness the event.

Promoter Leonard Ellerbe is all smile in the background as Floyd Mayweather Jr. and Manny Pacquiao stare down each other following their weigh-in on Friday.

Floyd Mayweather Jr., left, and Manny Pacquiao strike a familiar pose Friday after they both made weight for their welterweight title unification bout.

A big screen behind them shows Floyd Mayweather Jr. and Manny Pacquiao posing face to face after their weigh-in Friday.

Manny Pacquiao and his wife, Jinkee, attend a bible study at Mandalay Bay on Friday night after his official weigh-in for Saturday night’s fight against Floyd Mayweather Jr.