During the 2019 offseason, Bower suffered a torn Achilles and was placed on the non-football injury list.[6][7] He was waived from the non-football injury list on October 15, 2019.[8]
New England Patriots
On November 21, 2019, Bower was signed to the practice squad of the New England Patriots.[9] He signed a reserve/future contract with the Patriots on January 7, 2020.[10]
On September 5, 2020, Bower was waived by the Patriots and signed to the practice squad the next day.[11][12] He was elevated to the active roster on October 24 and 31 for the team's weeks 7 and 8 games against the San Francisco 49ers and Buffalo Bills, and reverted to the practice squad after each game.[13][14] He was promoted to the active roster on November 9.[15] On December 31, 2020, Bower was placed on injured reserve.[16]
On August 31, 2021, Bower was waived by the Patriots and re-signed to the practice squad.[17][18]
Minnesota Vikings (second stint)
On November 25, 2021, Bower was signed by the Vikings off the Patriots practice squad.[19]
^Frezza, Harry. "Don Bosco Prep tops triangular scrimmage", Home News Tribune, August 24, 2011. Accessed June 2, 2020. "Immaculate junior defensive end Tashawn Bower, who has 10 scholarship offers. Syracuse, Rutgers, Ohio State, UConn, Virginia, Virginia Tech, Tennessee and West Virginia are possible destinations for the Kenilworth native."