In a way, Ben Sheets was both an underrated pitcher and a flash in the pan. In his best season, he won just 12 games in 34 starts with the Milwaukee Brewers, but posted a WAR of 8.0 with a FIP of 2.65.
Having averaged 10.03 strikeouts per nine, Sheets was considered for the Cy Young but ultimately settled for his second All-Star bid.