[1] Williams attended Bergen Catholic High School where he played football for two years and ran track for three.

[1] He chose to attend Maryland, due to a desire to play in the Atlantic Coast Conference (ACC), stay close to home, and the Terrapins' three winning seasons from 2001 to 2003.

[1] Wide receivers coach Bryan Bossard said, "Isaiah Williams is more talented than Darrius Heyward-Bey ...

"[4] That year, Williams played in all 13 games, including six starts and recorded 395 receiving yards to finish second on the team.

He recorded six receptions, including a 43-yard touchdown from receiver Danny Oquendo on a trick play against Eastern Michigan.

[1] Williams was not selected in the 2009 NFL draft, but was signed as an undrafted free agent soon after by the Baltimore Ravens.

The Pittsburgh Steelers signed Williams as a free agent on May 11, 2010, to fill in for wide receiver Limas Sweed who was placed on injured reserve.

[11] Williams caught a game-winning touchdown in a preseason game against the Oakland Raiders on August 11, 2011.