(Photo credit: Steve Roberts-Imagn Images)
At age 39, Chris Kirk has seen plenty in his PGA Tour career, and he is impressed with the current crop of rising players.
Kirk is defending his title at The Sentry in Kapalua, Hawaii, this week as the season gets underway.
"It's different in so many ways it's hard to really sum it up, I guess," Kirk said the differences on tour since he was breaking in. "The level of play and
