"Similar" pitchers.

Baseball-reference's "similar" pitchers is not the be-all and end-all.

But these are the top five "similar" pitchers to Joba Chamberlain at this age, just to contrast his actual career vs. the number of tee-shirts he has sold:

1. Mike Fornieles (979)
2. Joey Jay (978)
3. Mario Soto (977)
4. Harry Feldman (974)
5. Manny Sarmiento (973)