Lauderdale is Texas Tech's second-leading receiver, with 43 receptions, 639 receiving yards and four touchdown catches this season. A school spokesman said Lauderdale had failed to uphold the athletic department's student-athlete expectations.
Texas Tech also revealed that defensive end Mike Mitchell would be transferring for a second time. A former ESPN 300 prospect, Mitchell originally signed with Ohio State out of Plano, Texas.
Texas Tech faces LSU on Dec. 29 in the AdvoCare V100 Texas Bowl.