- Gabashvili, Teymuraz
- Gabbert, Blaine
- Gaborik, Marian
- Gachkar, Andrew
- Gadsden, Oronde
- Gadzuric, Dan
- Gaffney, Jabar
- Gage, Justin
- Gagne, Simon
- Gagnon, Aaron
- Gailey, Chan
- Gaines, Sundiata
- Gaither, Jared
- Gaither, Omar
- Galarraga, Andres
- Galarraga, Armando
- Galette, Junior
- Galiardi, T.J.
- Galimzyanov, Denis
- Gall, Chris
- Gallacher, Stephen
- Gallagher, Jeff
- Gallagher, Jim, Jr.
- Gallagher, Michael, Jr.
- Gallagher. Sean
- Gallardo, Yovani
- Gallery, Robert
- Gallinari, Danilo
- Gallon, Chris
- Gallovits-Hall, Edina
- Galloway, Joey
- Galvin, Jim
- Galyon, Scott
- Gambill, Jan-Michael
- Gamble, Chris
- Gamez, Robert
- Gandy, Wayne
- Gannon, Rich
- Gano, Graham
- Gant, Ed
- Gant, Ron
- Garay, Antonio
- Garcia, Francisco
- Garcia, Frank
- Garcia, Freddy
- Garcia, Jaime
- Garcia, Jeff
- Garcia, Louie
- Garcia, Nick
- Garcia, Sergio
- Garcia-Lopez, Guillermo
- Garciaparra, Nomar
- Garcon, Pierre
- Gardener, Daryl
- Gardenhire, Ron
- Gardler, Meghan
- Gardner, Andrew
- Gardner, Brett
- Gardner, Mark
- Gardocki, Chris
- Garland, Jon
- Garner, Charlie
- Garner, Chris
- Garner, Jeff
- Garner, Nate
- Garnett, Kevin
- Garon, Mathieu
- Garrard, David
- Garrett, Bill
- Garrett, Dean
- Garrett, Jason
- Garrido, Antonio
- Garrigus, Robert
- Garrison, Jason
- Garrity, Pat
- Gary, Olandis
- Gary, Willie
- Garza, Matt
- Garza, Robert
- Garza, Roberto
- Gash, Sam
- Gasol, Marc
- Gasol, Pau
- Gasquet, Richard
- Gatens, Matt
- Gates, Antonio
- Gates, Clyde
- Gates, Edmond
- Gaughan, Brendan
- Gay, Brian
- Gay, Rudy
- Gay, William
- Gayle, Shaun
- Gaylor, Trevor
- Gbaja-Biamila, Kabeer
- Geathers, Robert
- Gebremariam, Gebre
- Gebrselassie, Haile
- Geddes, Jane
- Gee, Alonzo
- Gehrig, Lou
- Gehringer, Charlie
- Geiberger, Al
- Geiberger, Brent
- Geiger, Matt
- Gelinas, Martin
- Gentile, John
- Gentry, Alvin
- Gentry, Craig
- Gentry, Josh
- Geoffrion, Blake
- George, Bill
- George, Devean
- George, Eddie
- George, Jeff
- George, Paul
- George, Tim, Jr.
- George, Tony
- Gerdemann, Linus
- Geren, Bob
- Gerhart, Bobby
- Gerhart, Toby
- Germaine, Joe
- German, Jammi
- Gernander, Ken
- Gerrans, Simon
- Gervais, Bruno
- Gervin, George
- Gesink, Robert
- Gettis, David
- Getz, Chris
- Getzlaf, Ryan
- Ghee, Brandon
- Gholston, Vernon
- Giambi, Jason
- Giambi, Jeremy
- Gibbons, Jay
- Gibbs, Ashton
- Gibbs, Joe
- Gibbs, John
- Gibson, Aaron
- Gibson, Althea
- Gibson, Bob
- Gibson, Brandon
- Gibson, Daniel
- Gibson, David
- Gibson, Fred
- Gibson, Josh
- Gibson, Kelly
- Gibson, Kirk
- Gibson, Mike
- Gibson, Taj
- Gibson, Thaddeus
- Giffey, Niels
- Gifford, Frank
- Giguere, Jean-Sebastien
- Gil, Frederico
- Gilbert, Gibby
- Gilbert, Jarron
- Gilbert, Larry
- Gilbert, Marcus
- Gilbert, Philippe
- Gilbert, Sean
- Gilbert, Tom
- Gilchrist, Marcus
- Gilder, Bob
- Gildon, Jason
- Giles, Brian
- Giles, Vinny
- Giles, Warren
- Gill, Eddie
- Gill, Hal
- Gill, Kendall
- Gill, Mike
- Gillies, Colton
- Gilliland, David
- Gillis, Tom
- Gillman, Sid
- Gilmartin, Sean
- Gilmore, Bryan
- Gilmore, John
- Gilmore, Michael
- Gilmour, Doug
- Gilreath, David
- Gilroy, Matt
- Gimenez, Hector
- Gimeno-Traver, Daniel
- Ginn, Ted
- Ginobili, Manu
- Giordano, Mark
- Giordano, Matt
- Giraldo, Santiago
- Girardi, Dan
- Girardi, Joe
- Giroux, Alexandre
- Giroux, Claude
- Gladness, Mickell
- Glanville, Doug
- Glass, Tanner
- Glasson, Bill
- Glaus, Troy
- Glavine, Tom
- Glazer, Joel
- Gleason, Steve
- Glencross, Curtis
- Glenn, Aaron
- Glenn, Tarik
- Glenn, Terry
- Gload, Ross
- Glover, Dion
- Glover, Gary
- Glover, La'Roi
- Glover, Lucas
- Glover, Randy
- Goalby, Bob
- Goc, Marcel
- Gocong, Chris
- Godfrey, Charles
- Godfrey, Jeff
- Godfrey, Randall
- Godwin, John
- Goerges, Julia
- Goess, Craig
- Goff, Mike
- Gogel, Matt
- Goings, Nick
- Gold, Ian
- Golden, Jack
- Goldson, Dashon
- Goligoski, Alex
- Golston, Kedric
- Golubev, Andrey
- Gomes, DeJon
- Gomes, Jonny
- Gomes, Ryan
- Gomes, Wayne
- Gomez, Carlos
- Gomez, Francisco
- Gomez, Garrett K.
- Gomez, Lefty
- Gomez, Scott
- Gonchar, Sergei
- Goncharov, Maxim
- Gonzalez, Adrian
- Gonzalez, Alberto
- Gonzalez, Alex
- Gonzalez, Anthony
- Gonzalez, Carlos
- Gonzalez, Fernando
- Gonzalez, Fredi
- Gonzalez, Gio
- Gonzalez, Juan
- Gonzalez, Luis
- Gonzalez, Michael
- Gonzalez, Tony
- Gonzalez, Victor, Jr.
- Gooch, Jeff
- Gooden, Drew
- Gooden, Tavares
- Goodman, Andre
- Goodman, Richard
- Goodrich, Gail
- Goodson, Mike
- Goodson, Tyrone
- Goodwin, Hunter
- Goodwin, Jonathan
- Goodwin, Tom
- Goosen, Retief
- Gordon, Alex
- Gordon, Ben
- Gordon, Ben
- Gordon, Boyd
- Gordon, Dee
- Gordon, Eric, (basketball)
- Gordon, Jeff
- Gordon, Richard
- Gordon, Robby
- Gordon, Scott
- Gordon, Tom
- Gordy, Josh
- Gore, Frank
- Gorin, Brandon
- Gorrer, Danny
- Gortat, Marcin
- Gorzelanny, Tom
- Goslin, Goose
- Goss, Matthew
- Gostkowski, Stephen
- Goudelock, Andrew
- Gould, Robbie
- Govortsova, Olga
- Goydos, Paul
- Grabner, Michael
- Grabovski, Mikhail
- Grabow, John
- Grace, John
- Grace, Mark
- Gradkowski, Bruce
- Grady, Wayne
- Graf, Steffi
- Graff, Heather
- Gragg, Scott
- Graham, Ben
- Graham, Brandon
- Graham, Cameron
- Graham, Corey
- Graham, Daniel
- Graham, David
- Graham, Earnest
- Graham, Garrett
- Graham, Jay
- Graham, Jeff
- Graham, Jimmy
- Graham, Joey
- Graham, Kent
- Graham, Lou
- Graham, Otto
- Graham, Shayne
- Graham, Stephen
- Grahame, John
- Gramatica, Bill
- Gramatica, Martin
- Granato, Tony
- Granderson, Curtis
- Grange, Harold
- Granger, Danny
- Granollers, Marcel
- Grant, Adam
- Grant, Brian
- Grant, Bud
- Grant, Deon
- Grant, Ernest
- Grant, Horace
- Grant, Larry
- Grant, Ryan
- Graves, Adam
- Graves, Danny
- Gray, Aaron
- Gray, Anthony
- Gray, Bobby
- Gray, Chris
- Gray, Kelly
- Gray, Sonny
- Graziani, Ariel
- Graziani, Tony
- Grbac, Elvis
- Green, A.C.
- Green, A.J.
- Green, Ahman
- Green, Alex
- Green, Anthony
- Green, Barrett
- Green, Chuck
- Green, Cornell
- Green, Danny
- Green, Darrell
- Green, David
- Green, Deion
- Green, Deon
- Green, E.G.
- Green, Eric
- Green, Howard
- Green, Hubert
- Green, Jacquez
- Green, Jeff, (basketball)
- Green, Jeff, (NASCAR driver)
- Green, Josh
- Green, Ken
- Green, Mark
- Green, Michael
- Green, Mike
- Green, Ray
- Green, Richard
- Green, Robert
- Green, Sean
- Green, Shawn
- Green, Trent
- Green, Tyronne
- Green, Victor
- Green, Virgil
- Green, Willie
- Green, Yatil
- Green-Ellis, BenJarvus
- Greenberg, Hank
- Greenberg, Seth
- Greene, Bert
- Greene, Courtney
- Greene, Donte
- Greene, Joe
- Greene, Kalana
- Greene, Matt
- Greene, Shonn
- Greene, Todd
- Greene, Tyler
- Greenfield, Clay
- Greening, Colin
- Greentree, Kyle
- Greenway, Chad
- Greenwood, Brett
- Greer, Jabari
- Gregerson, Luke
- Gregg, Forrest
- Gregg, Kelly
- Gregg, Kevin
- Gregory, Greg
- Gregory, Steve
- Greinke, Zack
- Greipel, Andre
- Greisen, Chris
- Gresham, Jermaine
- Grier, Mike
- Griese, Bob
- Griese, Brian
- Grieve, Ben
- Griffey, Ken, Jr.
- Griffey, Ken, Sr.
- Griffin, Adrian
- Griffin, Blake
- Griffin, Cedric
- Griffin, Cornelius
- Griffin, Damon
- Griffin, Derrick
- Griffin, Eddie
- Griffin, Michael
- Griffin, Robert, III
- Griffith, Clark
- Griffith, Howard
- Griffith, Robert
- Grimes, Brent
- Grimes, Burleigh
- Grimson, Stu
- Grissom, Marquis
- Grissom, Steve
- Groce, Clif
- Grogan, Tim
- Groh, Al
- Gronkowski, Chris
- Gronkowski, Dan
- Gronkowski, Rob
- Groom, Buddy
- Gross, Jordan
- Grossman, Nicklas
- Grossman, Rex
- Groth, Jarmila
- Grove, Lefty
- Groza, Lou
- Grubbs, Ben
- Gruden, Jon
- Grudzielanek, Mark
- Guardado, Eddie
- Gudbranson, Erik
- Guerin, Bill
- Guerrero, Vladimir
- Guerrier, Matt
- Gugliotta, Tom
- Guidugli, Ben
- Guillen, Carlos
- Guillen, Ozzie
- Guion, Letroy
- Gulbis, Ernests
- Gurode, Andre
- Gustafson, Sophie
- Gustavsson, Jonas
- Guthrie, Jeremy
- Guthrie, Mark
- Gutierrez, Diego
- Gutierrez, Franklin
- Gutierrez, Juan
- Gutierrez, Matt
- Gutierrez, Ricky
- Guyton, A.J.
- Guyton, Gary
- Guzman, Angel
- Guzman, Cristian
- Gwynn, Tony, Jr.