Five keys for Chris Algieri

— -- Undefeated Chris Algieri will try to keep surprising the boxing world on Saturday (HBO PPV, 9 p.m. ET) when he faces welterweight titlist Manny Pacquiao at the Venetian Macao's Cotai Arena in Macau.

Algieri (20-0, 8 KOs) made a name for himself when he upset Ruslan Provodnikov by split decision in June to claim a title at 140 pounds.

But despite advantages in height and reach, Algieri is surpassed by Pacquiao (56-5-2, 38 KOs) when it comes to experience, speed and power.

If Algieri hopes to surprise everyone for a second time in 2014, he'll have to respect the following keys: