The Hawkeyes didn’t know it, but heading into the bottom of the eighth inning on Friday night, pressure was quickly mounting. In Iowa City, Northwestern had a 3-1 lead with just six outs left to get to secure a series opening victory. Meanwhile, it was the unseen results that were starting to give an uneasy feeling. Maryland, Ohio State and Michigan State had all won their games, which meant an Iowa loss would drop them to 8th place in the standings, just a game clear of the Terps for 9th place. Alarming. Northwestern reliever Matt McClure retired the first two batters of the eighth and the Ha…