STLcardinals.com: Player page

“Worrell making strides in winter ball” on STLcardinals.com, from 2006 by Matthew Leach of MLB.com

MemphisRedbirds.com: 2007 stats

BaseballAmerica.com: stats page

MiLB.com (on MemphisRedbirds.com) from Feb. 15, 2008: “Spring Training Mailbag”

News-Leader.com (Springfield, Mo.): Read the side notes on Worrell in this article by Kary Booher

The Birdhouse (stlcardinals.scout.com): “Scout.com Cards players of the year: Memphis” by Brent Diederich

The Birdhouse: “St. Louis Cardinals Add Five, Drop Two” by Brian Walton