John Joseph McMahon (December 3, 1928 – June 11, 1989) was an American professional basketball player and coach. A 6'1" guard from St. John's University, McMahon was selected by the Rochester Royals in the 1952 NBA draft. He played eight seasons in the National Basketball Association (NBA), for Rochester and the St. Louis Hawks.
McMahon became a successful coach in the American Basketball League,Association for Professional Basketball Research American Basketball League page the NBA and the American Basketball Association (ABA), with eleven seasons as a head coach in the three leagues. His first coaching stint was with the Kansas City Steers of the ABL (1961–62 season). The following season, he began coaching in the NBA with the Chicago Zephyrs in the 1962–63 season. He would also coach the Cincinnati Royals, the San Diego Rockets, and the ABA's Pittsburgh Condors.
Career statistics
NBA Source
Regular season Year Team GP MPG FG% FT% RPG APG PPG 1952–53 Rochester 70 23.8 .330 .657 2.6 2.7 7.2 1953–54 Rochester 71 26.6 .362 .696 3.0 3.4 10.0 1954–55 Rochester 72 25.1 .348 .636 2.9 3.4 9.0 Rochester 34 25.2 .326 .611 2.5 3.4 7.5 St. Louis 36 23.8 .331 .579 2.6 3.0 7.2 1956–57 St. Louis72* 32.6 .330 .631 3.1 5.1 8.6 1957–58† St. Louis72* 31.1 .300 .606 2.7 4.6 7.9 1958–59 St. Louis72* 31.0 .358 .615 2.3 4.1 8.2 1959–60 St. Louis 25 13.4 .355 .552 1.0 2.0 3.3Career 524 27.2 .337 .637 2.7 3.7 8.1
Playoffs Year Team GP MPG FG% FT% RPG APG PPG 1953 Rochester 3 22.0 .400 .714 1.7 2.0 8.7 1954 Rochester 6 32.8 .391 .560 4.0 4.0 11.3 1955 Rochester 3 36.3 .405 .643 5.7 5.0 17.3 1956 St. Louis 8 20.3 .345 .455 1.1 1.9 5.4 1957 St. Louis10* 37.5 .380 .556 3.8 5.7 12.4 1958† St. Louis11* 30.2 .409 .538 3.4 4.6 7.8 1959 St. Louis 6 41.7 .333 .526 3.0 5.3 11.7 1960 St. Louis 2 13.5 .500 .000 .5 1.5 2.0Career 49 31.0 .378 .558 3.0 4.1 9.7
Head coaching record NBA
| style="text-align:left;"|Chicago | style="text-align:left;"| |38||12||26||||5th in Western||—||—||—||— | style="text-align:left;"|Missed playoffs |- | style="text-align:left;"|Cincinnati | style="text-align:left;"| |80||55||25||||2nd in Western||10||4||6|| | style="text-align:left;"|Lost Division finals |- | style="text-align:left;"|Cincinnati | style="text-align:left;"| |80||48||32||||2nd in Western||4||1||3|| | style="text-align:left;"|Lost Division semifinals |- | style="text-align:left;"|Cincinnati | style="text-align:left;"| |80||45||35||||3rd in Western||5||2||3|| | style="text-align:left;"|Lost Division semifinals |- | style="text-align:left;"|Cincinnati | style="text-align:left;"| |81||39||42||||3rd in Western||4||1||3|| | style="text-align:left;"|Lost Division semifinals |- | style="text-align:left;"|San Diego | style="text-align:left;"| |82||15||67||||6th in Western||—||—||—||— | style="text-align:left;"|Missed playoffs
| style="text-align:left;"|San Diego | style="text-align:left;"| |82||37||45||||4th in Western||6||2||4|| | style="text-align:left;"|Lost Division semifinals |- | style="text-align:left;"|San Diego | style="text-align:left;"| |26||9||17||||left mid-season||—||—||—||— | style="text-align:left;"|— |- class="sortbottom" | style="text-align:center;" colspan="2"|Career | 549||260||289|||| ||29||10||19||||
ABA
| style="text-align:left;"|Pittsburgh | style="text-align:left;"|1970–71 |84||36||48||||5th in Eastern||—||—||—||— | style="text-align:left;"|Missed playoffs |- | style="text-align:left;"|Pittsburgh | style="text-align:left;"|1971–72 |10||4||6||||left mid-season||—||—||—||— | style="text-align:left;"|— |- class="sortbottom" | style="text-align:center;" colspan="2"|Career | 94||40||54|||| ||0||0||0||||
References
External links BasketballReference: Jack McMahon (as player) BasketballReference: Jack McMahon (as coach)