| Year | Team name | Record | Postseason |
|---|
|
| 2000 | Ostia Marines | 4–5 | L, 0–40, Bergamo Lions in First Round |
| 2001 | Ostia Marines | 9–0 | L, 20–35, Bergamo Lions in Second Round |
| 2002 | Ostia Marines | 3–4 | L, 24–42, Ancona Dolphins in Second Round |
| 2003 | Ostia Marines | 3–4 | L, 17–31, Ancona Dolphins in Semi-Finals |
| 2004 | Lazio Mariners | 4–4 | L, 15–34, Bergamo Lions in Second Round |
| 2005 | Lazio Mariners | 5–3 | L, 13–23, Ancona Dolphins in First Round |
| 2006 | Lazio Mariners | 1–7 | Did not qualify |
| 2007 | Lazio Mariners | 6–1 | L, 14–17, Parma Panthers in Second Round |
| 2008 | Lazio Mariners | 8–0 | L, 39–40, Reggio Emilia Hogs in Second Round |
| 2009 | Lazio Mariners | 6–2 | L, 21–35, Bolzano Giants in Finals |
| 2010 | Lazio Mariners | 3–5 | Did not qualify |
| 2011 | Lazio Mariners | 2–7 | Did not qualify |
| 2012 | Lazio Mariners | 1–10 | Did not qualify |
| 2013 | Lazio Mariners | 2–6 | Did not qualify |
| 2014 | Lazio Mariners | 1–9 | Did not qualify |
| 2015 | Lazio Mariners | 9–1 | L, 20–40, Rhinos Milano in Semi-Finals |
| 2016 | Lazio Mariners | 7–3 | L, 0–27, Milano Seamen in First Round |
| 2017 | Lazio Mariners | 3–7 | Did not qualify |
| 2018 | Lazio Ducks | 5–5 | L, 13–45, Milano Seamen in Semi-Finals |
| 2019 | Lazio Ducks | 5–3 | L, 0–38, Milano Seamen in Semi-Finals |
| 2020 | Season cancelled due to COVID-19 pandemic |
| 2021 | Lazio Ducks | 4–4 | L, 0–8, Milano Seamen in Semi-Finals |
| 2022 | Lazio Ducks | 3–5 | Did not qualify |
| 2023 | Lazio Ducks | 3–5 | L, 18–41, Ancona Dolphins in Wild Card |
| 2024 | Lazio Mariners | 3–5 | L, 26–31, Ancona Dolphins in Wild Card |
