Jeff Niemann debuted on April 13, 2008, playing for the Tampa Bay Rays at Tropicana Field; he played his final game on September 1, 2012, playing for the Tampa Bay Rays at Tropicana Field.
Jeff Niemann played in 30 games at pitcher for the Tampa Bay Rays in 2010, starting in 29 of them. He played for a total of 523 outs, equivalent to 19.37 9-inning games. He made 8 putouts, had 14 assists, and committed one error, equivalent to .052 errors per 9-inning game. He had one double play.
Jeff Niemann played in 23 games at pitcher for the Tampa Bay Rays in 2011, starting in all of them. He played for a total of 406 outs, equivalent to 15.04 9-inning games. He made 10 putouts, had 21 assists, and committed no errors, equivalent to 0 errors per 9-inning game. He had one double play.
Randy Niemann debuted on May 20, 1979, playing for the Houston Astros at Astrodome; he played his final game on June 20, 1987, playing for the Minnesota Twins at Hubert H Humphrey Metrodome.
Jeff Abbott debuted on June 10, 1997 and played his final game on September 29, 2001.
Jeff Bailey debuted on July 6, 2007 and played his final game on July 4, 2009.
Jeff Baisley debuted on September 9, 2008 and played his final game on September 28, 2008.
Jeff Bajenaru debuted on September 4, 2004 and played his final game on August 7, 2006.
Jeff Baker debuted on April 4, 2005 and played his final game on September 27, 2013.
Jeff Baldwin debuted on May 22, 1990 and played his final game on June 4, 1990.
Jeff Ballard debuted on May 9, 1987 and played his final game on July 8, 1994.
Jeff Banister debuted on July 23, 1991 and played his final game on July 23, 1991.
Jeff Barkley debuted on September 16, 1984 and played his final game on July 26, 1985.