Hisashi Iwakuma is number 18 on the Seattle Mariners.
Roy Branch debuted on September 11, 1979, playing for the Seattle Mariners at Kingdome; he played his final game on September 18, 1979, playing for the Seattle Mariners at Kingdome.
Pat Rice debuted on May 18, 1991, playing for the Seattle Mariners at Kingdome; he played his final game on June 16, 1991, playing for the Seattle Mariners at Kingdome.
George Glinatsis debuted on July 18, 1994, playing for the Seattle Mariners at Kingdome; he played his final game on July 24, 1994, playing for the Seattle Mariners at Kingdome.
Rafael Carmona debuted on May 18, 1995, playing for the Seattle Mariners at Kingdome; he played his final game on June 12, 1999, playing for the Seattle Mariners at Kingdome / Safeco Field.
Sidney Rice is number 18 on the Seattle Seahawks.
He wore number 18.
He wore # 18 with the Steelers.
Paul Scholes wore jersey number 18 for mancunian republic in 2010-2011.
Pete O'Brien played in 18 games at designated hitter for the Seattle Mariners in 1991, starting in none of them. , equivalent to 0 errors per game (estimate based on total games played in).
In 2004, first base coach Mick Kelleher wore #18 for the Detroit Tigers.
Peyton Manning wears the number 18.