"It just felt right," Martin said. "I've been kind of leaning this way for a while and I felt like this is the time to do it. I'm pretty happy with it and I feel good."
Martin is ranked No. 47 in the nation by Scout.com and was one of the standouts from the Nike All-American Camp earlier this month.
Should he announce for Purdue (as expected) he'll join E'Twaun Moore (No. 39), Robbie Hummel (No. 60) and JaJuan Johnson (79) in what is likely to be billed as the strongest collection of talent Purdue has signed in a very long time.
Michigan, which took Alex Legion earlier this week, told Martin they could work something out if he wanted to come. Martin has never unofficially visited Texas, Maryland or Indiana, further fueling speculation that Purdue will be the choice.