RAHMAN'S RING CAREER GOING SWIMMINGLY.(SPORTS)

Byline: BUZZ GRAY Staff writer

ALBANY -- He's always been a big fish. Now, though, Hasim Rahman is a barracuda in the ring instead of a dolphin in the pool.

When the 235-pound puncher from Baltimore gave up swimming for boxing, the ring became a more dangerous place. He brings his 24-0-0 record and No. 3 world ranking to Pepsi Arena Thursday night as part of the main event on a seven-bout card.

Rahman will face Tui Toia (14-11-0) of Independence, Mo., in a feature that figures not to last the 10 rounds being set aside for it.

``Plenty of fights look like mismatches on paper,'' Rahman said Tuesday afternoon during a news conference at the …