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The second-best pitcher on the free-agent market this offseason will be Ervin Santana by a mile, which is why teams will be scouting his performance over the last month of the season.
Santana has pitched well this season, going 8-7 with an ERA of 3.21 and a WHIP of 1.15. While he hasn't received the run support he needs, he has been shutting opponents down, and he could be a huge factor next season.
Santana has been in the midst of a slump over the last few weeks, giving up 12 earned runs in 22.1 innings in his last four starts. He hasn't looked like an ace, which could hurt his value at the end of the year.
However, if Santana can turn things around in his last few starts, we could see teams who are in need of starting pitchers offering ridiculous contracts to him.
Santana will be signing a new contract this offseason, and if he pitches well, he could dramatically increase the value of that deal.