When the Cardinals traded David Freese (and Fernando Salas) for Peter Bourjos (and Randal Grichuk) in the offseason, most people believed the move signified the beginning of the end for Jon Jay's tenure as the team's starting center fielder. Though Jay saw a decline in most offensive categories in 2013, his .276/.351/.370 slash line and 1.9 fWAR were still more than respectable among MLB center fielders. His standard hitting statistics (batting average, on-base percentage) were in the top ten, and his advanced hitting statistics (wOBA, wRC+) were in the top 15. The problem for him, especially with the "what have you done for me lately?" part of the fan base, was his significant drop-off in defensive metrics (-7.3 UZR) combined with a disappointing showing (offensively and defensively) in the playoffs...
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