There are drives where a team needs to make something positive happen and the there are drives like what Iowa needed in the second half on Saturday. After falling behind 14-7 heading into halftime, Iowa needed something positive to happen on their first drive of the second half. They got exactly that with a powerful drive down the field for seven points. It was followed by two more scoring drives in the third quarter to build a double digit lead. Veteran offensive lineman Mason Richman said following the win over the Gophers that the Iowa offense knew it was going to be a big drive that would …