He began his college football career at Carson-Newman as a linebacker, making nine tackles in two starts as a redshirt freshman in 2001.

In his final year, still a tight end, Weaver earned Division II All-American honors from the AP, American Football Coaches Association and others.

In the 2006 preseason, he suffered a high ankle sprain, causing the Seahawks to put him on injured reserve.

A restricted free agent in the 2008 offseason, Weaver signed his one-year, $1.417 million tender offer on April 17.

Weaver, who was an unrestricted free agent after the 2008 season, signed a one-year, $1.75 million contract with the Philadelphia Eagles on March 20, 2009.

His injury was later revealed to be "a very severe" torn ACL in his left knee, requiring season-ending surgery.

In April 2021, he was named head football coach for Park Vista Community High School in Lake Worth, Florida.

In June 2022 he was made the running backs coach at h his Alma Mater Carson Newman[6] Weaver battled depression in college, having suffered a personal tragedy which he has not disclosed.

He had been nicknamed "The Bishop" in college for his proclivity to spend free time traveling with a ministry in the off-season singing Christian themed R&B music.