Fantasy Impact - Tim Lincecum is a very risky buy, just like the actual signing, and should be regarded with great caution. Do not overdraft on a player that could end up with a 4.5o ERA just because they used to be great. See my Bad Seasons and Free Agency section for more information. However, he can produce a healthy amount of strikeouts if you are in need of a pitcher in a rotisserie league.
Predictions - 11-12, 190 IP, 175 H, 90 ER, 80 BB, 200 K (4.26 ERA, 1.34 WHIP)
For more info on the Tim Lincecum signing see: http://bleacherreport.com/articles/1714625-tim-lincecum-and-giants-agree-to-terms-on-2-year-contract
Image citations in order of page: http://isportsweb.com/2013/07/12/detroit-tigers-trade-rumors-righty-reliever-edition/