| Dave O'Brien | |
| Number: | 74, 68, 52 |
| Position: | Tackle, defensive tackle, guard |
| Birth Date: | 13 June 1941 |
| Birth Place: | Cambridge, Massachusetts, U.S. |
| Height Ft: | 6 |
| Height In: | 3 |
| Weight Lbs: | 247 |
| High School: | Watertown (MA) |
| College: | Boston College |
| Draftyear: | 1963 |
| Draftround: | 18 |
| Draftpick: | 142 |
| Pastteams: | |
| Pfr: | OBriDa20 |
David Hyde O'Brien (born June 13, 1941) is a former American football tackle, defensive tackle, and guard who played college football for Boston College and professional football for the Minnesota Vikings (1963–1964), New York Giants (1965), and St. Louis Cardinals (1966–1967).
A native of Cambridge, Massachusetts, O'Brien attended Watertown High School and then played college football as a tackle for Boston College from 1959 to 1962.[1] [2]
He was drafted by the Minnesota Vikings in the 13th round (171st overall pick) of the 1963 NFL draft. He played professional football for the Minnesota Vikings (1963–1964), New York Giants (1965), and St. Louis Cardinals (1966–1967). He appeared in a total of 60 NFL games.[3]