Ian Desmond has always been a contact hitter with an aggressive approach at the plate with a low walk rate and a relatively high strikeout rate. This means that his value is dependent on his ability to get hits and on his power. The decline in those numbers are worrying.
2013 2014 2015 Batting Avg .280 .255 .225 On Base % .331 .313 .277 Slugging % .