Texas Tech is investigating a possible NCAA violation and may now face sanction from the association after former student and NFL player Wes Welker tweeted a potential recruit.

Welker contacted Nick Kurtz, a wide receiver from Grossmont College in El Cajon, California while the former was on an official visit to Brigham Young University attempting to persuade him not to join the college.

"Name me the last WR in the league from BYU? Think big picture. I will give you 50 more reasons why they would be a bad move," Welker tweeted.

Welker then posted Kurtz an article written in 2010 from Deseret News under the headline "Collie is BYU's first wide receiver to make a big impact in the NFL" in an apparent bid to convince the youngster not to commit to BYU.

NCAA regulations prevent 'boosters' - a category Welker falls under - from encouraging the participation of a prospect in the athletics of a specific university, which has led Texas Tech to begin an investigation.

"The NCAA prohibits that type of communication involving boosters and former student-athletes, and [the compliance office] are in the process of investigation,” Tech spokesman Blayne Beal told Bleacher Report.

"I can’t comment specifically on what they’re doing.

“I can just tell you that there is a process under way."

Kurtz, who stands at 6ft6in and weighs 205 pounds is ranked as the No.30 junior college recruit in the nation by 247sports.com, with Tech one of several schools already to have offered him a scholarship.

Welker, meanwhile, signed as an undrafted free agent for the San Diego Chargers after leaving Tech in 2004, before moving onto the Miami Dolphins and New England Patriots.

The 32-year-old wide receiver signed a contract with the Denver Broncos in 2013.

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