<page_title> List of Major League Baseball pitchers who have thrown an immaculate inning </page_title> <section_title> Players </section_title> <table> <cell> Rick Helling <col_header> Pitcher </col_header> <col_header> John Clarkson </col_header> <col_header> Rube Waddell </col_header> <col_header> Pat Ragan </col_header> <col_header> Joe Oeschger </col_header> <col_header> Sloppy Thurston </col_header> <col_header> Dazzy Vance </col_header> <col_header> Lefty Grove </col_header> <col_header> Lefty Grove (2) </col_header> <col_header> Billy Hoeft </col_header> <col_header> Robin Roberts </col_header> <col_header> Jim Bunning </col_header> <col_header> Sandy Koufax </col_header> <col_header> Sandy Koufax (2) </col_header> <col_header> Tony Cloninger </col_header> <col_header> Sandy Koufax (3) </col_header> <col_header> Bob Bruce </col_header> <col_header> Al Downing </col_header> <col_header> Nolan Ryan </col_header> <col_header> Bob Gibson </col_header> <col_header> Bill Wilson </col_header> <col_header> John Strohmayer </col_header> <col_header> Milt Pappas </col_header> <col_header> Nolan Ryan (2) </col_header> <col_header> Bruce Sutter </col_header> <col_header> Pedro Borbón </col_header> <col_header> Lynn McGlothen </col_header> <col_header> Joey McLaughlin </col_header> <col_header> Ron Guidry </col_header> <col_header> Danny Jackson </col_header> <col_header> Jeff Robinson </col_header> <col_header> Rob Dibble </col_header> <col_header> Jeff Montgomery </col_header> <col_header> Andy Ashby </col_header> <col_header> David Cone </col_header> <col_header> Pete Harnisch </col_header> <col_header> Trevor Wilson </col_header> <col_header> Mel Rojas </col_header> <col_header> Stan Belinda </col_header> <col_header> Todd Worrell </col_header> <col_header> Mike Magnante </col_header> <col_header> Roger Clemens </col_header> <col_header> Doug Jones </col_header> <col_header> Jimmy Key </col_header> <col_header> Mike Mussina </col_header> <col_header> Orel Hershiser </col_header> <col_header> Randy Johnson </col_header> <col_header> Jesús Sánchez </col_header> <col_header> Shane Reynolds </col_header> <col_header> B. J. Ryan </col_header> <col_header> Ugueth Urbina </col_header> <col_header> Randy Johnson (2) </col_header> <col_header> Jason Isringhausen </col_header> <col_header> Byung-Hyun Kim </col_header> <col_header> Pedro Martínez </col_header> <col_header> Brian Lawrence </col_header> <col_header> Brandon Backe </col_header> <col_header> Ben Sheets </col_header> <col_header> LaTroy Hawkins </col_header> </cell> <cell> June 20, 2006 <col_header> Date </col_header> <row_header> Rick Helling </row_header> </cell> <cell> Detroit Tigers <col_header> Opposing team </col_header> <row_header> Rick Helling </row_header> </cell> <cell> 1st <col_header> Inning </col_header> <row_header> Rick Helling </row_header> </cell> <cell> Curtis Granderson, Plácido Polanco, Iván Rodríguez <col_header> Batters faced </col_header> <row_header> Rick Helling </row_header> </cell> </table>
On June 20, 2006, Helling faced three batters —Curtis Granderson, Plácido Polanco and Iván Rodríguez—in the first inning against the Detroit Tigers, thereby becoming the pitcher in major league history to throw an immaculate inning.