MLB: Top Rookie Pitchers to Watch

Justin Grimm having great rookie season. Photo credit TexasRangers

The baseball season is now in full swing. There have been some shocks, but generally the season has panned out how most thought it would. One of the surprises has been the performances of the rookie pitchers who are showing a glimpse of the future of pitching in the big leagues. This isn't even including Matt Harvey, who only just missed out on being classified as a rookie.