Numbers crunching has become a big deal in sports. Analytics have been slower to take hold in the tradition-bound game of golf, but it is happening. NPR's Tom Goldman reports on the phenomenon from the tournament most steeped in tradition, the Masters.

Tiger Woods has been given a two-stroke penalty at the Masters, a tournament he's won four times, after a review found that he performed an illegal drop on the 15th hole of his second round Friday. Woods faced a possible disqualification for the foul.

Weekend Edition Saturday host Scott Simon talks with NPR's Tom Goldman, from his perch watching the Masters in Augusta, about the tournament so far and 14-year-old Guan Tianlang, the youngest player to ever make the cut.

Ahead of next week's Boston Marathon, Weekend Edition Saturday host Scott Simon talks with running coach and author Tom Derderian about the heightened expectations for this year's race and how the Boston Marathon earned its distinction as the "Holy Grail" for serious runners. Derderian is a member of the committee that set new qualifying standards for this year's marathon.

Melissa Block talks to marathon runner Lisa Batchen about a six day ultramarathon taking place in the Saharan desert in Morocco.

It's a very expensive bust. Zack Greinke signed a six-year, $147 million contract with Los Angeles before the season began. Now he'll be out for a while. Broken collarbones can take weeks, and sometimes longer, to heal.