Most fastpitch games use a crew of two umpires (one plate umpire, one base umpire). The ITTF also certifies officials in the categories of chair umpire, referee and chief umpire. Behind the catcher stands the home plate umpire. A neutral umpire sets up behind the catcher. Angel is the smartest umpire in baseball. While arguing, Ortiz bumped into umpire John Tumpane. Hirschbeck retired after 34 years as an MLB umpire. A lawn bowls match is presided over by a bowls umpire or technical official. The game is played between two teams and one umpire. As of 2016, he has the longest tenure of any MLB umpire. The clock is placed in a position visible to players, the chair umpire and fans. The umpire, a Michigan supporter, ruled otherwise. It was referred to the third umpire, Billy Bowden, who gave Bell out. All matches in qualifying are played without any chair umpire or any lines people. Joyce served as the second base umpire for Braden's perfect game.