| Thomas Keiser | |
| Number: | 98, 90, 53 |
| Position: | Linebacker |
| Birth Date: | March 28, 1989 |
| Birth Place: | Hollidaysburg, Pennsylvania, U.S. |
| Height Ft: | 6 |
| Height In: | 4 |
| Weight Lbs: | 260 |
| High School: | Wexford (PA) North Allegheny |
| College: | Stanford |
| Undraftedyear: | 2011 |
| Pastteams: | |
| Statlabel1: | Total tackles |
| Statvalue1: | 41 |
| Statlabel2: | Sacks |
| Statvalue2: | 9.0 |
| Statlabel3: | Pass deflections |
| Statvalue3: | 4 |
| Statlabel4: | Interceptions |
| Statvalue4: | 2 |
Thomas Keiser (born March 28, 1989) is a former American football linebacker. Keiser played college football at Stanford University.
Keiser attended high school at North Allegheny Senior High School and played for the Tigers before graduating in 2007.
Keiser played college football at Stanford. He entered the 2011 NFL draft after his junior season.[1]
Keiser was signed by the Carolina Panthers as an undrafted free agent on July 30, 2011. He was waived on September 4, 2011, but was re-signed to the Panthers’ practice squad on September 6, 2011. Keiser was signed to the active roster on November 8, 2011. He was waived by the Panthers on May 13, 2013.
Keiser signed with the San Diego Chargers on May 17, 2013. He was released on August 31, 2013, but was signed to the Chargers' practice squad on September 1, 2013. Keiser was signed to the active roster on October 1, 2013. Keiser proved to be a physical linebacker, playing 12 games, while starting 3, collecting 21 tackles, 4.5 sacks, and an interception. Keiser intercepted Peyton Manning in week 15 to seal the game and win for the chargers. He was released on August 30, 2014.
Keiser was claimed off waivers by the Arizona Cardinals on August 31, 2014. He was released on November 14, 2014.
Keiser was assigned to the San Jose SaberCats of the Arena Football League (AFL) on December 3, 2014.[2] He was placed on reassignment on March 27, 2015.
Keiser is married to Heimana Vaea-Maafu-Moimoi Keiser.