American League
Baltimore -- Bob Milacki (6 innings), Mike Flanagan (1), Mark Williamson (1) and Gregg Olson (1) vs. Oakland, 2-0, July 13, 1991
Boston -- Jon Lester vs. Kansas City, 7-0, May 19, 2008
Chicago -- x-Phil Humber at Seattle, 4-0, April 21, 2012
Cleveland -- x-Len Barker vs. Toronto, 3-0, May 15, 1981
Detroit -- Justin Verlander at Toronto, 9-0, May 7, 2011
Kansas City -- Bret Saberhagen vs. Chicago White Sox, 7-0, Aug. 26, 1991
Los Angeles -- Jered Weaver vs. Minnesota, 9-0, May 2, 2012.
Minnesota -- Francisco Liriano at Chicago White Sox, 1-0, May 3, 2011
New York -- x-David Cone vs. Montreal, 6-0, July 18, 1999
Oakland -- x-Dallas Braden vs. Tampa Bay, 4-0, May 9, 2010
Seattle -- x-Felix Hernandez vs. Tampa Bay, 1-0, Aug. 15, 2012
Tampa Bay -- Matt Garza vs. Detroit, 5-0, July 26, 2010
Texas -- x-Kenny Rogers vs. California, 4-0, July 28, 1994
Toronto -- Dave Stieb at Cleveland, 3-0, Sept. 2, 1990
National League
Arizona -- Edwin Jackson at Tampa Bay, 1-0, June 26, 2010
Atlanta -- Kent Mercker at L.A. Dodgers, 6-0, April 8, 1994
Cincinnati -- Homer Bailey vs. San Francisco, 3-0, July 2, 2013
Chicago -- Carlos Zambrano vs. Houston at Milwaukee, 5-0, Sept. 14, 2008
Colorado -- Ubaldo Jimenez at Atlanta, 4-0, April 17, 2010
Houston -- Roy Oswalt (1 inning), Pete Munro (2 2/3), Kirk Saarloos (1 1/3), Brad Lidge (2) and Octavio Dotel (1), Billy Wagner (1) at N.Y. Yankees, 8-0, June 11, 2003
Los Angeles -- Clayton Kershaw vs. Colorado, 8-0, June 18, 2014
Miami -- Henderson Alvarez vs. Detroit, 1-0, Sept. 29, 2013
Milwaukee (AL) -- Juan Nieves at Baltimore, 7-0, April 15, 1987
New York -- Johan Santana, vs. St. Louis, 8-0, June 1, 2012
Philadelphia -- Cole Hamels (6), Jake Diekman (1), Ken Giles (1), Jonathan Papelbon (1), Philadelphia at Atlanta, 7-0, Sept. 1, 2014
Pittsburgh -- Francisco Cordova (9) and Ricardo Rincon (1), vs. Houston, 3-0, 10 innings, July 12, 1997
St. Louis -- Bud Smith at San Diego, 4-0, Sept. 3, 2001
San Diego -- None
San Francisco -- Tim Lincecum vs. San Diego, 4-0, June 25, 2014
Washington -- Jordan Zimmermann, vs. Miami, 1-0, Sept. 28, 2014
x-perfect game