Most baseball collectors already know who Jason Heyward is considering he has cards that date back to 2006. Heyward was the minor league player of the year in 2009 so he is certainly on the hobby radar and quite possibly a Future Star in baseball. Before he makes his debut in the bigs (probably in 2010) you may want to check out some of his Rookie Card prices on eBay below to see if you think its worth the money to gamble on what could be the MLB's next superstar.
2006 Topps AFLAC Jayson Heyward #JH
Seen here is the 2008 Topps AFLAC Autograph version that was released in 2008. The original cards were released in 2006 and were not autographed. There is a PROMO version of the 2006 card that features a different photo of Jason and these typically sells for less than the regular version on eBay.
2007 Bowman Chrome Draft Jayson Heyward RC #54
Depending on how you view 'true rookie' cards, this could be your best bet. Considering his AFLAC versions sell in the 3 figures even not autographed you can get the next best thing with his 1st Bowman Chrome Card for a little less than $10.00 in most auctions on eBay.
2007 Bowman Sterling Jayson Heyward Autograph #JH
Another great option if you are looking for a Jayson Heyward autograph would be his 2007 Bowman Sterling. The white borders and crisp card stock has made this set very popular with grading submissions as many come back with top marks. These cards un-graded sell for just under $100 in most auctions on eBay.
2007 Donruss Elite Extra Edition EEE Jayson Heyward Auto #106
Another option for Autograph hunters would be his Donruss Elite Extra Edition, which are serial #/750 (there are many parallel versions as well) This is probably Jayson Heyward's most affordable Autograph as most sell for under $85.00 on eBay.