NORMAN, OK – OCTOBER 18: An Oklahoma Sooners helmet is seen during warmups before the game between the Oklahoma Sooners and the Kansas State Wildcats October 18, 2014 at Gaylord Family-Oklahoma Memorial Stadium in Norman, Oklahoma. The Wildcats defeated the Sooners 31-30. (Photo by Brett Deering/Getty Images)Oklahoma recently offered three-star offensive lineman Marcus Alexander. It didn’t take long for Alexander to jump at the opportunity to play for the Sooners.Alexander, who plays for Sunnyvale (Tex.), announced his commitment to OU this afternoon. He is Oklahoma’s 12th commit for 2019.Alexander was offered by OU on May 25. He picked the Sooners over Oklahoma State, Texas Tech, Missouri and others.Here’s his announcement from Twitter.?174% Committed ‼️‼️#newwave19 #OUDNA #BoomerSooner #ChampionshipU pic.twitter.com/y278vj5okd— Big Tank7️⃣4️⃣ (@malexander1545) June 5, 2018Alexander is the No. 32 offensive guard in the 2019 class, according to 247Sports’ Composite Rankings.Currently, Oklahoma has the No. 2 recruiting class for 2019. Only Alabama’s is better.You can see the 2019 class rankings here.