Strikeforce Challengers 8 in Portland features Woodley vs. Coy, Vera vs. Pena

The next installment of the prospects-driven Strikeforce Challengers series is set for May 21 in Portland, Ore.

Strikeforce officials today confirmed with MMAjunkie.com that Strikeforce Challengers 8 will feature top welterweight prospect Tyron Woodley vs. SportFight champion Nate Coy, as well as Kerry Vera vs. Julianna Pena.

The event airs on Showtime.