Paul Swydan | Statistically Thinking

Do the Red Sox really need to get an ace pitcher?

Comparing Red Sox newcomer Rick Porcello to pitchers ahead of him in stat projections for next season might change your perception of him.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/12/19/BostonGlobe.com/Sports/Images/ed40d098533044aa93ccfdc067d6fa83-ed40d098533044aa93ccfdc067d6fa83-0.jpg Rick Porcello ready to make new memories at Fenway Park

The Red Sox’ new pitcher knows his first outing in Boston back in 2009 will always be remembered for his fight with Kevin Youkilis.

RED SOX NOTEBOOK

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/06/11/BostonGlobe.com/Sports/Images/89697e38c35d4c9abbd6bad88e21be49-89697e38c35d4c9abbd6bad88e21be49-0-13746.jpg Red Sox trade Will Middlebrooks to Padres

The Red Sox filled a roster need by acquiring veteran catcher Ryan Hanigan from San Diego.

Dennis Clemens demonstrated SmartKage features at SmartSports headquarters in Tyngsborough.

‘Smart’ batting cage provides better measure of players’ abilities

Tyngsborough startup SmartSports aims to remove some of the subjectivity that makes scouting for baseball talent such a challenge.

Peter Abraham | Video

How is Red Sox’ pitching rotation shaping up?

Peter Abraham reviews the Red Sox’ additions, and what their remaining options are to fill out the staff.

BASEBALL NOTEBOOK

Notes: Supplier in Biogenesis drug scandal pleads guilty

Investigators said Paulo Berejuk was the key source for the clinic in Florida that provided steroids to MLB players.

Red Sox acquire pitcher Anthony Varvaro from Braves

Boston sent minor league righthander Aaron Kurcz and cash to Atlanta in exchange for the 30-year-old righty.

//c.o0bg.com/rf/image_90x90/Boston/2011-2020/2014/12/17/BostonGlobe.com/Sports/Images/457677482.jpg Baseball tracking US-Cuba developments

The league said in a statement Wednesday ‘‘there are not sufficient details to make a realistic evaluation.”

Jon Lester enticed by chance to help Cubs end World Series drought

The lefthander said the front office’s plan to turn the Cubs into a contender is what convinced him to sign.

NICK CAFARDO | ON BASEBALL

Jon Lester’s officially a Cub, and it’s time to move on

The lefthander explained his free agency decision, whether Red Sox fans like it or not, at his introduction in Chicago.

Past Red Sox games

Chris Young scored in the seventh inning on a double by Jose Pirela.

Yankees 9, Red Sox 5

Red Sox end season on a losing note

The Red Sox won the ceremony, as they so often do. But then as they so often did during this sidetracked season, the Sox then lost the game.