Iowa State football coach Dan McCarney says a planned expansion of Jack Trice Stadium won’t add any more pressure on the upcoming season. I-S-U officials unveiled a 14-million dollar plan which will include the addition of more than seven-thousand seats in the stadium’s south endzone. He says the pressure to win has been there every day since he took the job and it hasn’t changed.McCarney says it continues a recent effort to upgrade facilities at the school.McCarney says it shows the support of Iowa State fans. He says the nucleus of fans should grow as the team continues to improve.