For the first time the NBA will hold a nationally televised slam dunk competition - the NBA All-Star Slam Dunk-In - to determine one of the participants in the Slam Dunk contest, the NBA announced today.  This one-round slam dunk-in competition will be held during halftime of the Rookie Challenge game on Friday, Feb. 12, and fans will determine the winner by voting via SMS text message and at NBA.com.

The NBA All-Star Slam Dunk-In will air live on TNT, which will televise the Rookie Challenge (9 p.m. ET) from American Airlines Center in Dallas.

TNT will announce the participants in the NBA All-Star Slam Dunk-In on-air during NBA Tip-Off on Thurs., Jan 14, at 8 p.m. ET.

TNT’s coverage of All-Star Weekend will continue Saturday from American Airlines Center in Dallas with All-Star Saturday Night (8 p.m. ET), including the Slam Dunk contest, and will conclude Sunday from Cowboys Stadium with the 59th NBA All-Star Game (8 p.m. ET).

The participants will have two dunks each, with a two-minute time limit to complete each dunk.

Fans will determine the winner of the NBA All-Star Slam Dunk-In by voting via SMS Text message or on NBA.com during the Rookie Challenge game. Voting polls will open at the beginning of the event and close two minutes after the final dunk. The player with a higher percentage of overall votes will advance to participate in the Slam Dunk contest on All-Star Saturday Night. The other three contestants in the Slam Dunk will be announced on Monday, Jan. 18.