| Number: | 75, 91, 95 |
| Position: | Defensive end / Defensive tackle |
| Birth Date: | 4 March 1965 |
| Birth Place: | Wichita, Kansas |
| Height Ft: | 6 |
| Height In: | 4 |
| Weight Lbs: | 270 |
| High School: | Wichita North (Wichita, Kansas) |
| College: | Arizona State |
| Undraftedyear: | 1988 |
| Pastteams: |
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| Statlabel1: | Games played |
| Statvalue1: | 35 |
| Statlabel2: | Games started |
| Statvalue2: | 3 |
| Statlabel3: | Fumble recoveries |
| Statvalue3: | 2 |
| Statlabel4: | Sacks |
| Statvalue4: | 3.0 |
| Pfr: | DuckMa20 |
Mark Anthony Duckens (born March 4, 1965) is a former American football defensive lineman in the National Football League. He played for the New York Giants (1989), the Detroit Lions (1990), and the Tampa Bay Buccaneers (1992). He played at Municipal University of Wichita, now known as Wichita State University and Arizona State University. He was a defensive tackle and a defensive end. Mark also briefly played for the Indianapolis Colts as well.
In 1993, Duckens was sentenced to a six-month pretrial diversion program for steroid possession along with former New York Giants teammate Eric Moore. They were described by federal agents as “pawns in international steroid ring.”|[1]