John Lackey Must Come Up Big For Red Sox in Series Finale on Sunday Again 5 1/2 games off the pace in the AL East, Boston's game in prime time on Sunday at Tropicana Field is an absolute must-win.

John Lackey, who has often been shaky this season for the Sox, will need to have his best stuff in the series finale against the Rays — the biggest outing of his Sox career.

Tom Caron and Dennis Eckersley break down what he must do on Saturday night's NESN Daily.