| gptkbp:instanceOf | gptkb:human 
 | 
                        
                            
                                | gptkbp:alsoKnownAs | gptkb:Marvelous_Marvin_Hagler 
 | 
                        
                            
                                | gptkbp:awarded | gptkb:International_Boxing_Hall_of_Fame_(1993) gptkb:Ring_Magazine_Fighter_of_the_Year_(1983,_1985)
 BWAA Fighter of the Year (1985)
 
 | 
                        
                            
                                | gptkbp:birthDate | 1954-05-23 
 | 
                        
                            
                                | gptkbp:birthPlace | gptkb:Newark,_New_Jersey,_USA 
 | 
                        
                            
                                | gptkbp:boxingStyle | southpaw 
 | 
                        
                            
                                | gptkbp:causeOfDeath | natural causes 
 | 
                        
                            
                                | gptkbp:children | gptkb:Celeste_Hagler gptkb:Charelle_Hagler
 gptkb:Gentry_Hagler
 gptkb:James_Hagler
 gptkb:Marvin_Jr._Hagler
 
 | 
                        
                            
                                | gptkbp:deathDate | 2021-03-13 
 | 
                        
                            
                                | gptkbp:deathPlace | gptkb:Bartlett,_New_Hampshire,_USA 
 | 
                        
                            
                                | gptkbp:draws | 2 
 | 
                        
                            
                                | gptkbp:ethnicity | gptkb:African-American 
 | 
                        
                            
                                | gptkbp:filmAppearance | gptkb:Indio Indio 2: The Revolt
 Virtual Weapon
 
 | 
                        
                            
                                | gptkbp:height | 5 ft 9 in 
 | 
                        
                            
                                | gptkbp:inductedInto | gptkb:International_Boxing_Hall_of_Fame 
 | 
                        
                            
                                | gptkbp:losses | 3 
 | 
                        
                            
                                | gptkbp:nationality | gptkb:American 
 | 
                        
                            
                                | gptkbp:nickname | Marvelous 
 | 
                        
                            
                                | gptkbp:notableBattle | vs. Roberto Durán vs. Sugar Ray Leonard
 vs. Thomas Hearns
 
 | 
                        
                            
                                | gptkbp:occupation | gptkb:boxer 
 | 
                        
                            
                                | gptkbp:rank | one of the greatest middleweight boxers of all time 
 | 
                        
                            
                                | gptkbp:reach | 75 in 
 | 
                        
                            
                                | gptkbp:renamed | gptkb:Marvelous_Marvin_Hagler 
 | 
                        
                            
                                | gptkbp:residence | gptkb:Italy gptkb:United_States
 
 | 
                        
                            
                                | gptkbp:retired | 1987 
 | 
                        
                            
                                | gptkbp:spouse | gptkb:Bertha_Hagler gptkb:Kay_Guarrera
 
 | 
                        
                            
                                | gptkbp:titleReign | 1980–1987 
 | 
                        
                            
                                | gptkbp:totalFights | 67 
 | 
                        
                            
                                | gptkbp:trainer | gptkb:Goody_Petronelli gptkb:Pat_Petronelli
 
 | 
                        
                            
                                | gptkbp:weightClass | middleweight 
 | 
                        
                            
                                | gptkbp:winsByKO | 52 
 | 
                        
                            
                                | gptkbp:won | 62 
 | 
                        
                            
                                | gptkbp:worldTitles | undisputed middleweight champion 
 | 
                        
                            
                                | gptkbp:yearsActive | 1973–1987 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Marvelous_Marvin_Hagler 
 | 
                        
                            
                                | gptkbp:bfsLayer | 8 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | Marvin Nathaniel Hagler 
 |