David Ortiz is heading back to the disabled list. The question that remains unanswered: Has he played his last game for the Boston Red Sox? On Monday, the club placed Ortiz on the 15-day disabled list and recalled outfielder Ryan Kalish, a move procedural in nature. But will it possibly mark the end of the Big Papi Era in Boston? Ortiz has played in just one game since July 16 due to lingering discomfort in his right Achilles' tendon, and he aggravated the injury in his attempted return Friday night. The Red Sox's slide from contention would make shutting down Ortiz an easy decision.