|Hometown:||Port Jefferson Station, N.Y.|
|High School:||St. Anthony's|
2010: Went 4-for-8 in field goals, matched his longest field goal range from last season, which is 41 yards.
2009: Went 7-for-14 in field goals, with the longest successful attempt going 41 yards...finished with an average of 33 yards punting.
2008: Grennen was a member of the varsity football team at USMMA.
Before USMMA: Went 6-for-6 in field goals...was apart of the State Championship team his junior and senior year.
Personal: Born in Mineola, NY...son of James and Marina Grennen...has an older sister Ciara...Majoring in Marine Engineering.