Boston placed starting pitcher Daisuke Matsuzaka on the 15-day disabled list Friday after an MRI revealed a mild strain of the rotator cuff in his right shoulder. 

--RF Wladimir Balentien has reached base safely in 17 consecutive games, drawing a walk or getting a hit in each of his starts dating back to May 8. 

MEDICAL WATCH: RF Mike Morse (dislocated left shoulder) went on the 15-day disabled list April 14. 

Just as the Mariners starting rotation is beginning to take shape, the club is playing around with it. 

These sinking Mariners have tried everything to avoid the AL's worst record. 

Left field has been a problem for the Detroit Tigers for more than a year. 

--C Kenji Johjima's unexpected steal of third base Tuesday -- the Red Sox were so surprised they didn't throw -- was unexpected in the Seattle dugout, too. 

MEDICAL WATCH: RHP Felix Hernandez (mild right calf strain) was pulled from his May 18 start. 

The Mariners are starting to get the starting pitching they'd counted on having all year long. 

Finally, two months into a dreadful season, the Mariners' ace showed up. 

Finally, two months into a dreadful season, the Mariners' ace showed up. 

Fastballs that flew past Boston's flailing bats. 

The Mariners traded former part-time starting pitcher Cha Seung Baek to the San Diego Padres on Wednesday for Jared Wells in a swap of right-handers. 

MEDICAL WATCH: RHP Felix Hernandez (mild right calf strain) was pulled from his May 18 start. 

Seattle found a home for right-hander Cha Seung Baek.