Born between April and June 1869, Bromley joined the football team of the St. Mary's Young Men's Association upon its formation in November 1885.
[1] He played in the team's first game, a friendly match against Freemantle,[2] By 1887, Bromley had become the captain of St. Mary's, leading the side to the final of the 1887–88 Hampshire Junior Cup,[1] where the Saints beat the Southampton Harriers 2–1 in a replay after a 2–2 draw;[3] the forward scored seven goals throughout the course of the tournament,[1] including four in the second round 10–0 win over Petersfield.
[3] Following the club's Hampshire Junior Cup victory, Bromley relinquished his captaincy and moved to London to study dentistry, although he continued to play for St.
[1] In the following season, Bromley continued to be "almost ever-present" in the team's lineup as they retained the Hampshire Junior Cup,[1] scoring three goals in six appearances in the tournament,[4] including one in the 3–0 final win over Christchurch.
[5] Shortly after the cup final, Bromley suffered a "serious leg injury" during a six-a-side tournament, bringing his playing career to an end.