*Update - Thomas Johnson has been found and is safe.
The Texas A&M University Police Department is going public with its search for a student who has been missing since Monday.
Thomas Johnson, a graduate of Dallas' Skyline High School, is a freshman at A&M and a member of the Aggie football team. He was last seen leaving his residence in College Station at approximately 5 p.m. Monday.
Johnson has family and friends in the Dallas area and may have traveled to the area.
No one was home at his mother's home in Dallas on Wednesday night.
Neighbors described Johnson as a mellow teenager and said they were shocked to learn he had been missing since Monday.
Texas A&M football coach Kevin Sumlin released the following statement:
"All of us are obviously very concerned about the safety and well-being of Thomas Johnson, who has been missing since Monday evening. Authorities are working closely with his family, friends and law enforcement agencies to help locate him. Thomas is a tremendous student-athlete, greatly admired by his fellow teammates and all of us on the coaching staff. If anyone has any current information about him or knows of his whereabouts, please contact his family or law enforcement authorities immediately. We pray for his quick and safe return."
Johnson is described as an 18-year-old black man who is 5 feet 11 inches and 180 pounds with black hair and brown eyes. He was last seen wearing a black jacket, black shorts and grey shoes. He was also has a set of Dr. Dre Beats brand headphones.
Anyone with information on Johnson's location is asked to contact university police immediately at 979-845-2345.
Johnson made ESPN's highlight reel for a one-handed catch he made in A&M's game against Florida in September.
NBC 5's Omar Villafranca contributed to this report.