Stewart Cink made up five shots over nine holes against Padraig Harrington in their head-to-head pairing at the U.S. Senior Open, leaving the major champions tied for the lead after their second rounds at the Broadmoor.

Padraig Harrington made four birdies Thursday, though it was the bogey he saved on the 15th hole that helped him keep a share of the first-round lead with Mark Hensby at the U.S. Senior Open.