I'd never heard of this guy and don't remember him having an NFL career.
It's because he didn't.
San Francisco 49ers[edit]
Bykowski was selected in the seventh round, (246th overall), by the
San Francisco 49ers in the
2013 NFL Draft.
[3][4] After spending his rookie season on the
practice squad, he signed to a new contract on January 21, 2014.
[5]
Minnesota Vikings[edit]
The
Minnesota Vikings signed Bykowski off the 49ers'
practice squad on December 10, 2014.
[6] On September 3, 2016, he was released by the Vikings as part of final roster cuts.
[7] On September 6, 2016, he was signed to the Vikings' practice squad.
[8] On September 13, he was released from the Vikings' practice squad.
[9]
Atlanta Falcons[edit]
On September 21, 2016, Bykowski was signed to the Falcons' practice squad. He signed a reserve/future contract with the Falcons on February 7, 2017.
[10]
On March 30, 2017, Bykowski announced his retirement from the NFL.
[11]