At 32 the male human's body is on the decline, and he's asking it to not only defy that decline, but simultaneously improve it to meet the standards of a professional athlete.
I wouldn't be surprised to see him not start many games for us. In fact, we should probably already accept that the best ploy isn't to start him ever, but to bring him on for the last half hour if needed. I'd reckon that Fletch wouldn't sign him again if this was the caveat.