Smithson initially committed to play at Hartnell College out of high school where he played his freshman year.
Kansas
Following his freshman year at Hartnell, he transferred to the University of Kansas.[1] In 2015, he led the nation in solo tackles,[2] which led to him being named Second-team All-Big 12.[3] In 2016 he was named First-team All-Big 12.[4]
Professional career
Washington Redskins
After going undrafted in the 2017 NFL draft, Smithson signed with the Washington Redskins as an undrafted free agent.[5] He was waived on September 2, 2017, during roster cutdowns.[6] The following day, he was signed to the Redskins' practice squad.[7] He was elevated to the active roster on December 19, 2017.[8]
On September 1, 2018, Smithson was waived for final roster cuts before the start of the 2018 season.[9]
Arizona Cardinals
On December 19, 2018, Smithson was signed to the Arizona Cardinals practice squad.[10] He was released six days later.[11]
On July 25, 2019, Smithson signed with the Jacksonville Jaguars, but was waived on August 4.[13]
Baltimore Ravens
On August 27, 2019, Smithson signed with the Baltimore Ravens.[14] He was placed on injured reserve on August 31, 2019, and was released on March 18, 2020.[15]
Personal life
Smithson's brother, Antoine "Shaky" Smithson, played wide receiver at the University of Utah and was signed as an undrafted free agent by the Green Bay Packers in 2011 but was shortly released off of injured reserve with an injury settlement.[16] His nickname "Fish" was given to him by his grandmother as a child due to his fear of fish.[17]
