is the massive scoreboard, designed and built by Daktronics at a cost of $9 million. At , the HD-X light-emitting diode (LED) video scoreboard is currently the largest in college football-only stadiums, and was the third largest at the time of construction. The playing surface is FieldTurf, an infilled artificial turf, and the brick wall surrounding the playing field was made possible by an alumni donation of $500,000. Located on the stadium ground level is the Murray Warmath Locker Room, named in honor of the Gophers' national championship winning coach from 1954 to 1971. It is the largest home locker room in college or professional football, and features a block "M" lighting fixture and 120 custom-built cherry-wood lockers. Adjacent to the Murray Warmath Locker Room are other team areas including a fully equipped training room, therapy room, medical exam rooms, an equipment room, custom coaches’ offices and locker rooms, a home media room, private recruiting room, and a training table for dining and nutrition. After a tour of the complex, Pro Bowl wide receiver Larry Fitzgerald remarked that, "This has got to be the best locker room in the Big Ten." Stadium aesthetics To recognize that the venue was paid for with taxes statewide and to pay tribute to the support of Minnesota citizens, the names of the state's 87 counties are cast in stone around the perimeter of the first level. Each is engraved in a piece of cast stone that is and weighs . These panels are contained within the reminiscent Memorial Wall, which forms the external surface of the stadium building. This brick façade perimeter wall with arched portals reflects the heritage of Memorial Stadium's exterior, and a 360° colonnade provides a year-round walkway around the stadium. Displayed on the façade of the stadium's upper deck are panels commemorating the 7 national championships and 18 Big Ten Conference championships won by Minnesota in football, as well as ones distinguishing the five players whose numbers have been retired by the program. The Minnesota Tribal Nations Plaza encompasses the main western entrance to the stadium and is named in honor of the 11 Native American nations in Minnesota, featuring eleven -tall sky markers: one for each nation. The stadium also incorporates the Veterans Tribute, a memorial dedicated to Minnesota veterans, located in the open end of the horseshoe near the main plaza. Seating and amenities The first phase of