SoonerNation links: OU adds commit

From Bob Przybylo : Three-star athlete Dominique Alexander commits to Oklahoma.

From Brandon ChatmonInsider: Alexander fits mold of current OU linebackers.

More from PrzybyloInsider: After an injury last season, Sooners commit Stanvon Taylor is hungry for a state title.

More from PrzybyloInsider: ESPN 150 DT Greg Gilmore is ready to end the recruiting process.

More from PrzybyloInsider: 2012 signee Courtney Gardner won't make it to OU.