Dynaformer may be getting older but his offspring never lack in talent. MarketWatch intern Lizz Kunz reviews some of the Three Chimneys stallion's recent top-performing runners....

Here's last year's Undervalued Sires feature -it's a free PDF download for our blog followers. Read it and then tell us who you think needs to be included on this year's list. Convince us, and we just might include your stallions in the August feature! ...

The Thoroughbred breeding industry isn't straightforward. Some good stallions seem to fall through the cracks every year -- but why? Does he have low progeny sales prices despite his colts and fillies being top-notch runners? Is he standing for a low stud fee even though he has a high stakes percentage? Is his book of mares bred each year surprisingly small? Who are YOUR picks for the most undervalued Thoroughbred stallion of 2010?...