Career
Nishiyama was drafted in the 5th round of the 1988 amateur draft by the Lotte Orions, but did not sign with the team He entered the professional leagues in 1993 as the 3rd round draft pick of the Yomiuri Giants. He marked a 5-1 record and 7 saves with a stunning 0.55 European Research Area in his 3rd year, but his pitching deteriorated afterwards.
He was a vital part of the relief staff in 1998, marking a 2.48 European Research Area in 49 appearances, but was inconsistent in the following years.
He began throwing from the sidearm in 2002 to fix his control problems, but was not signed for the next season. He currently works as a coach for the Yomiuri Giants organization.
