Northern Iowa will hold its second major scrimmage of the spring this weekend. Panther coach Mark Farley put the team through a 120-play scrimmage this past weekend and there were no major surprises.Farley says they will spend part of this week working on field goal situations with Mackenzie Hoambrecker and back-up Cory Henke.Farley says defense is the weak spot right now.The Panthers spring game is April 27th at Wartburg College.