DALLAS — The AFC’s best team has the NFL’s worst grass field.

The latest survey conducted by the players union and released Thursday showed the Pittsburgh Steelers have the least-favorite grass field. Of 1,619 players who participated, 678 chose Heinz Field’s grass, which tends to get torn up.

It was resodded after WPIAL football championship games in late November, then again after the NHL’s Winter Classic on New Year’s Day.

Heinz Field also was selected as the worst grass field in 2008, the last time the survey was conducted.

Oakland, Chicago and Miami were next in the 2010 poll.

Voted worst among artificial turf stadiums was the Metrodome in Minneapolis, which Metrodome received 290 votes, 98 more than Buffalo’s Ralph Wilson Stadium.

Showing little loyalty to their home venue, 21 Chicago Bears said Soldier Field had poor quality grass, while 12 Steelers said the same for Heinz Field. No Oakland Raiders player rated his stadium’s field excellent, the only team not to do so.

University of Phoenix Stadium, home of the Arizona Cardinals, has the best grass field for the second straight survey, getting 788 votes to 530 for Tampa Bay. The best artificial turf for the second successive time is Indianapolis’ Lucas Oil Stadium, site of next year’s Super Bowl. The Colts’ home drew 565 votes to 382 for the New Meadowlands Stadium.

Grass was by far the preferred playing surface, with 69 percent of the players choosing it.