Pacquiao, Marquez keep it close

(L-R) Manny Pacquiao and Juan Manuel Marquez exchange blows during their welterweight bout at the MGM Grand Garden Arena on December 8, 2012 in Las Vegas, Nevada. Al Bello/Getty Images/AFP

MANILA, Philippines–Manny Pacquiao and Juan Manuel Marquez keep it close in the fourth.

Marquez, though, still continues to connect on jabs but Pacquiao, despite early knockdown, seem unfazed.