Mike Williams stands tall at a height of 6 feet 4 inches (1.93 m). He also weighs 218 lb (99 kg).

Mike Williams is an American football wide receiver for the Los Angeles Chargers of the National Football League. As a junior at Lake Marion High School & Technology Center, Mike Williams had 66 receptions for 1,296 yards and 11 touchdowns.

Rivals.com rated Mike Williams as a four-star recruit. Mike Williams played college football at Clemson. Williams made his professional regular season debut in Week 6 of the 2017 season.

At the NFL Combine, both Sports Illustrated and NFLDraftScout.com ranked him the third-best wide receiver. The Los Angeles Chargers selected Mike Williams in the first round with the seventh overall pick in the 2017 NFL Draft.

Mike Williams was the second wide receiver selected in the 2017 NFL Draft. In the 2018 season, Williams recorded his first professional touchdown in the 31–20 victory over the Buffalo Bills in Week 2.