Mario Killer

{{short description|Argentine footballer}}

{{Use dmy dates|date=September 2024}}

{{Infobox football biography

| name = Mario Killer

| fullname = Mario Estanislao Killer Díez

| birth_date = {{birth date and age|1951|8|15|df=yes}}

| birth_place = Rosario, Santa Fe, Argentina

| height =

| position = Defender

| image = File:Mario Killer.png

| image_size = 150px

| caption = Mario Killer in 1973

| currentclub =

| clubnumber =

| years1= 1971–75

| years2= 1975–78

| years3= 1978–79

| years4= 1979–80

| years5= 1980–83

| years6= 1984

| years7= 1985

| clubs1= Rosario Central

| clubs2= Sporting de Gijón

| clubs3= Real Betis

| clubs4= Newell's Old Boys

| clubs5= Independiente

| clubs6= Rosario Central

| clubs7= Belgrano

| caps1= 150 | goals1 = 2

| caps2= 70 | goals2 = 2

| caps3= 25 | goals3 = 0

| caps4= 10 | goals4 = 0

| caps5= 169 | goals5 = 0

| caps6= | goals6 =

| caps7= 6 | goals7 = 0

| manageryears1 =

| nationalyears1= 1972–75

| nationalcaps1= 5 | nationalgoals1= 2

| nationalteam1= Argentina

| club-update = 27 May 2014

| ntupdate =

}}

Mario Estanislao Killer Díez (born 15 August 1951) is an Argentine retired footballer. He played as defender in different clubs in Argentina and Spain{{cite web|title=Mario Estanislao Killer|url=http://www.arribacentral.com/index.php?go=a&id=94|publisher=Arribacentral.com|accessdate=27 May 2014}} and was part of the national team at the 1975 Copa América, where he scored 2 goals in the group stage in Argentina's 11–0 win over Venezuela.{{cite web|title=Ficha de Mario Killer|url=http://www.bdfutbol.com/es/j/j5312.html|publisher=BDFutbol|accessdate=27 May 2014}}