Playoffs •
1950–51 Lost to Windsor 8–6 (2–3, 6–3) •
1951–52 Defeated Windsor 3–0 in semi-finals Defeated Sarnia 4–0 in finals. '''BIG '10' WESTERN CHAMPIONS''' •
1952–53 Semi-final round robin. London Eliminated. •
1953–54 Lost to Sarnia 4–0 in semi-finals. •
1954–55 Lost to Sarnia 3–2 in semi-finals. •
1955–56 Did not qualify •
1956–57 Did not qualify •
1957–58 Defeated Woodstock 3–0 in first round. Defeated St. Mary's Lincolns 3–1 in semi-finals. Lost to Sarnia Bees 4–1 in final. •
1958–59 Lost to Sarnia Bees 4–1–1 in semi-finals •
1959–60 Did not qualify •
1960–61 Did not qualify •
1961–62 Did not qualify •
1962–63 Did not qualify •
1963–64 Defeated Sarnia Bees 4–2 (7–4, 2–5, 4–2, 5–7, 6–2, 5–3) in semi-finals. Defeated St. Thomas Barons 4–2 (7–6, 3–5, 4–2, 5–2, 3–7, 6–1) in finals.
WOJHL CHAMPIONS •
1964–65 Defeated Chatham Maroons 4–1 (4–6, 6–5, 5–3, 5–0, 7–4) in semi-finals. Defeated St. Thomas Barons 4–0 (8–4, 6–3, 3–1, 7–5) in finals.
WOJHL CHAMPIONS •
1965–66 Lost to Sarnia Bees 4–1 (4–3, 2–8, 7–2, 3–2, 5–2) in semi-finals. •
1966–67 Did not qualify •
1967–68 Did not participate •
1968–69 Did not participate •
1970–78 NO RECORDS AVAILABLE •
1978–79 Defeated Petrolia Jets 7–3 (6-pt series) in first round. Lost to Strathroy Blades 8–0 (8-pt series) in second round. •
1980–80 Defeated Chatham Maroons 3–1 in first round. Defeated Strathroy Blades 4–0 in second round. Lost to Windsor 4–0 in finals. •
1980–81 Defeated Windsor 4–0 (London advanced directly to final) Defeated Chatham Maroons 4–1 in finals.
WOJHL CHAMPIONS •
1981–82 Defeated Chatham Maroons 3–0 in first round. Defeated Petrol Jets 3–0 in second-round. Lost to Sarnia 4–3 in finals. •
1982–83 Defeated St. Thomas Pests 5–2 in first round. (Best 5-of-9; London advanced directly to final) Defeated Sarnia Steeplejacks 4–1 in finals.
WOJHL CHAMPIONS •
1983–84 Defeated Windsor 4–0 (London advanced directly to final) Defeated Sarnia Steeplejacks 4–0 in finals.
WOJHL CHAMPIONS •
1984–85 Defeated St. Thomas Pests 3–0 (London advanced directly to final) •
1985–86 Lost to Chatham Maroons 5–4 (Best 5-of-9) in first round. •
1986–87 Defeated Chatham Maroons 4–0 in first round. Second Round (Double Round-Robin): 1st - St. Thomas, 2nd - London, 3rd - Sarnia (eliminated) Final: St. Thomas def. London 4–0 •
1988–89 Did not qualify •
1989–90 Did not qualify •
1990–91 Lost to St. Mary's Lincoln's 4–0 in quarter-final. •
1991–92 Lost to Windsor 4–1 in quarter-final. •
1992–93 Defeated St. Thomas Stars 4–1 in divisional semi-final. Defeated St Mary's Lincolns 4–3 in divisional final. Defeated Windsor 4–3 in finals.
WOJHL CHAMPIONS •
1993–94 Defeated St. Thomas Stars 4–1 in divisional semi-final. Lost to St Mary's Lincolns 4–0 in divisional final. •
1994–95 Defeated Aylmer 4–2 in divisional semi-final. Lost to St Mary's Lincolns 4–0 in divisional final. •
1995–96 Lost to St. Thomas Stars 4–0 in divisional semi-finals. •
1996–97 Lost to St. Thomas Stars 4–0 in divisional semi-finals. •
1997–98 Lost to St. Thomas Stars 4–1 in divisional semi-finals. •
1998–99 Did not qualify. •
1999–00 Lost to St. Thomas Stars 4–0 in divisional semi-finals. •
2000–01 Did not qualify. •
2001–02 Defeated Strathroy Rockets 4–2 in first round. Defeated Sarnia Blast 4–2 in semi-finals. Lost to Chatham 4–2 in finals. •
2002–03 Lost to Sarnia Blast 4–1 in quarter-finals •
2003–04 Defeated St. Thomas Stars 4–1 in quarter-finals Lost to Sarnia Blast 4–3 in semi-finals. •
2004–05 Defeated Leamington Flyers 4–2 in first round. Defeated Sarnia Blast 4–0 in semi-finals. Lost to Chatham 4–2 in finals. •
2005–06 Defeated St. Mary's Lincolns 4–1 in first round. Lost to Chatham Maroons 4–0 in semi-finals. •
2006–07 Lost to St. Mary's Lincolns 4–3 in quarter-finals. •
2007–08 Lost to Sarnia Legionairres 4–3 in quarter-finals. •
2008–09 Defeated Leamington Flyers 4–2 in first round. Defeated St. Mary's Lincolns 4–0 in semi-finals. Lost to Tecumseh Chiefs 4–1 in final. •
2009–10 Defeated LaSalle Vipers 4–1 in first round. Defeated St. Mary's Lincolns 4–3 in semi-finals. Lost to Sarnia Legionaries 4–2 in final. •
2010–11 Defeated Leamington Flyers 4–0 in first round. Lost to St. Thomas Stars 4–2 in semi-finals. •
2011–12 Defeated Sarnia Legionaries 4–0 in first round. Defeated LaSalle Vipers 4–2 in semi-finals. Lost to St. Thomas Stars 4–3 in final. •
2012–13 Defeated LaSalle Vipers 4–1 in first round. Defeated St. Mary's Lincolns 4–2 in semi-finals. Defeated Strathroy Rockets 4–2
WESTERN CONFERENCE CHAMPIONS Defeated Cambridge Winterhawks 4–3 in the championship round.
SUTHERLAND CUP CHAMPIONS •
2013–14 Defeated St. Thomas Stars 4–2 in first round. Lost to Leamington Flyers 4–1 in semi-finals. •
2014–15 Defeated Sarnia Legionnaries 4–3 in first round. Lost to Leamington Flyers 4–1 in semi-finals. •
2015–16 Defeated Strathroy Rockets 4–2 in first round. Defeated LaSalle Vipers 4–2 in semi-finals. Defeated Leamington Flyers 4-2
WESTERN CONFERENCE CHAMPIONS Defeated Stratford Cullitons 4–2 Lost to Caledonia Corvairs 4–0 in final. •
2016–17 Defeated St. Mary's Lincolns 4–1 in first round. Defeated Chatham Maroons 4–1 in semi-finals. Defeated Leamington Flyers 4–1
WESTERN CONFERENCE CHAMPIONS Defeated Listowel Cyclones 4–1 Lost to Elmira Sugar Kings 4–1 in Final. •
2017–18 Defeated Strathroy Rockets 4–0 in first round. Defeated Chatham Maroons 4–2 in semi-finals. Defeated St. Thomas Stars 4–0
WESTERN CONFERENCE CHAMPIONS Lost to Listowel Cyclones 4–1 in semi-finals •
2018–19 Defeated St. Thomas Stars 4–0 in first round. Defeated LaSalle Vipers 4–1 in semi-finals. Defeated Leamington Flyers 4–0
WESTERN CONFERENCE CHAMPIONS Defeated Listowel Cyclones 4–1 in semi-finals Lost to Waterloo Siskins 4–3 in Final. •
2019–20 Defeated Sarnia Legionnaries 4–0 in first round.
Playoffs cancelled due to COVID-19 Pandemic ==Sutherland Cup appearances==