Todd Helton's challenge has nothing to do with the fastball or slider.
He's battling Father Time.
And it has taken a toll on the man who has been the face of the Rockies franchise for more than 15 years.
With his 39th birthday lurking on Aug. 20, Helton was placed on the disabled list Friday with a right hip inflammation that affected the left-handed-swinging slugger's ability to lift his right leg in his hitting approach.
After playing in 144 or more games in each of his first 10 big-league seasons, Helton found himself on the DL for the third time in five years.
That, more than his .235 batting average so far this season, eats at Helton, a career .320 hitter whose eventual Hall of Fame candidacy will be the first real test of the prejudice voters will have toward Coors Field.
"I enjoy the challenges the game brings, starting with getting my body ready, and the last five years that has been more of a challenge,'' Helton said. ''I used to enjoy the process of playing with an i...