# 1917–18 American Cup

The 1918 American Cup was the annual open cup held by the American Football Association. Twenty nine teams began the tournament which culminated in Bethlehem's third straight championship.

## American Cup Bracket

| Second round | Second round | Quarter-finals | Quarter-finals | | Semi-finals | Semi-finals | | Final | Final |
| Fore River | w/o | | | | | | |
| Fore River | w/o | April 27 - Quincy | April 27 - Quincy | | | | | |
| Philadelphia Wanderers | | April 27 - Quincy | April 27 - Quincy | | | | |
| Philadelphia Wanderers | | Fore River | 3 | | | | |
| November 24 - Fall River | November 24 - Fall River | | Fore River | 3 | | | | |
| November 24 - Fall River | November 24 - Fall River | Fall River Rovers | 0 | | | | |
| Fall River Rovers | 3 | Fall River Rovers | 0 | | | | |
| Fall River Rovers | 3 | | | | May 11 - Quincy | May 11 - Quincy | | |
| Jersey A.C. | 1 | | | | May 11 - Quincy | May 11 - Quincy | |
| Jersey A.C. | 1 | | | | Fore River | 0 | |
| December 9 - Crompton | December 9 - Crompton | | | | | Fore River | 0 | |
| December 9 - Crompton | December 9 - Crompton | | | | Babcock & Wilcox | 2 | |
| Crompton F.C. | 1 | | | | Babcock & Wilcox | 2 | |
| Crompton F.C. | 1 | March 24, 31 - Bridgeport | March 24, 31 - Bridgeport | | | | | |
| Bridgeport City | 4 | March 24, 31 - Bridgeport | March 24, 31 - Bridgeport | | | | |
| Bridgeport City | 4 | Bridgeport City | 1-1 | | | | |
| November 25 - Bayonne | November 25 - Bayonne | | Bridgeport City | 1-1 | | | | |
| November 25 - Bayonne | November 25 - Bayonne | Babcock & Wilcox | 1-2 | | | | |
| Babcock & Wilcox | 3 | Babcock & Wilcox | 1-2 | | | | |
| Babcock & Wilcox | 3 | | | | | | | May 25 - Pawtucket | May 25 - Pawtucket |
| Scottish-Americans | 2 | | | | | | | May 25 - Pawtucket | May 25 - Pawtucket |
| Scottish-Americans | 2 | | | | | | | Babcock & Wilcox | 0 |
| November 25 | November 25 | | | | | | | | Babcock & Wilcox | 0 |
| November 25 | November 25 | | | | | | | Bethlehem Steel | 1 |
| Bethlehem Steel | w/o | | | | | | | Bethlehem Steel | 1 |
| Bethlehem Steel | w/o | March 23 - Bethlehem | March 23 - Bethlehem | | | | | | |
| Pan-American F.C. | | March 23 - Bethlehem | March 23 - Bethlehem | | | | | | |
| Pan-American F.C. | | Bethlehem Steel | 5 | | | | | | |
| New York | New York | | Bethlehem Steel | 5 | | | | | | |
| New York | New York | IRT Strollers | 1 | | | | | | |
| IRT Strollers | 3 | IRT Strollers | 1 | | | | | | |
| IRT Strollers | 3 | | | | April 20, 27 - Bethlehem | April 20, 27 - Bethlehem | | | | |
| New York F.C. | 2 | | | | April 20, 27 - Bethlehem | April 20, 27 - Bethlehem | | | |
| New York F.C. | 2 | | | | Bethlehem Steel | 2-1 | | | |
| November 24 - Pawtucket | November 24 - Pawtucket | | | | | Bethlehem Steel | 2-1 | | | |
| November 24 - Pawtucket | November 24 - Pawtucket | | | | Disston A.A. | 2-0 | |
| J&P Coats | 1 | | | | Disston A.A. | 2-0 | |
| J&P Coats | 1 | March 2 - Philadelphia | March 2 - Philadelphia | | | | | |
| Disston A.A. | 4 | March 2 - Philadelphia | March 2 - Philadelphia | | | | |
| Disston A.A. | 4 | Disston A.A. | 2 | | | | |
| | | West Hudson A.A. | 0 | | | | |
| West Hudson A.A. | 2 | West Hudson A.A. | 0 | | | | |
| Paterson F.C. | 1 | | | | | | |