player) (Akron) Vic Janowicz (football player) (Elyria) David Jenkins (figure skating) (Akron) Hayes Alan Jenkins (figure skating) (Akron, Lakewood) Ban Johnson (baseball executive) (Norwalk) Gus Johnson (basketball player) (Akron) Home Run Johnson (baseball player) (Findlay) Lance Johnson (baseball player) (Cincinnati) Paris Johnson Jr. (football player) (Cincinnati) Will Johnson (football player) (Dayton) Cal Jones (football player) (Steubenville) Cardale Jones (football player) (Cleveland) Greg Jones (football player) (Cincinnati) David Justice (baseball player) (Cincinnati) Kyle Juszczyk (football player) (Medina) Rich Karlis (football player) (Salem) Larry Kehres (football coach) (Diamond) Jason Kelce (football player) (Cleveland Heights) Travis Kelce (football player) (Westlake) Clark Kellogg (basketball player) (East Cleveland) Leroy Kemp (freestyle wrestler) (Chardon) Don King (fight promoter) (Cleveland) DeShone Kizer (football player) (Toledo) Phil Klein (baseball player) (Columbus) Bob Knepper (baseball player) (Akron) Bobby Knight (basketball coach) (Massilon/Orrville) Jack Kralick (baseball player) (Youngstown) Bernie Kosar (football player) (Boardman) Kosta Koufos (basketball player) (Canton) Jordan Kovacs (football player) (Curtice) Kevin Kowalski (football player) (Macedonia) Luke Kuechly (football player) (Cincinnati) Jim Lachey (football player) (St. Henry) Jack Lambert (Hall of Fame football player) (Mantua) Kenesaw Mountain Landis (first baseball commissioner) (Milleville) Barry Larkin (baseball player) (Cincinnati) Cody Latimer (football player) (Dayton) Marshon Lattimore (football player) (Cleveland) Rose Lavelle (soccer player) (Cincinnati) Dante Lavelli (football player) (Cleveland) Trevor Laws (football player) (Philadelphia Eagles) (Dayton) Dick LeBeau (football coach) (London) Justin Lester (Olympic Greco-Roman wrestler) (Akron) Jim Leyland (baseball manager) (Perrysburg) Jim Leyritz (baseball player) (Lakewood/Anderson Township) Kory Lichtensteiger (football player) (Van Wert) Frank Lickliter (professional golfer) (Franklin) Matt Light (football player) (Greenville) Jon Link (baseball player) (Columbus) Jeff Linkenbach (football player) (Sandusky) Corey Linsley (football player) (Youngstown) David Lough (baseball player) (Akron) Jerry Lucas (basketball player) (Middletown) Rob Lytle (football player) (Fremont) Barry Mackay (tennis player, broadcaster) (Cincinnati) Mike Maddux (baseball player, coach) (Dayton) Paul Maguire (football player, announcer) (Youngstown) Ray Mancini (boxer) (Youngstown) Nick Mangold (football player) (Centerville) Mario Manningham (football player) (Warren) Matt Marksberry (baseball player) (Cincinnati) Rube Marquard (Baseball Hall of Fame pitcher) (Cleveland) Jim Martin (football player) (Cleveland) Kevin Martin (basketball player) (Zanesville) Justin Masterson (baseball player) (Beavercreek) Michael Matthews (football player) (Cincinnati) Scott May (basketball player) (Sandusky) Bill Mazeroski (baseball player) (Tiltonsville) Jimmy McAleer (baseball player) (Youngstown) Josh McDaniels (football coach) (Barberton/Canton) Ron McDole (football player) (Toledo) Roger McDowell (baseball player, coach) (Cincinnati) Will McEnaney (baseball player) (Springfield) Paul McFadden (football player) (Cleveland) Mike McGlynn (football player) (Austintown) Deacon McGuire (baseball player) (Youngstown)