FILE - In this Friday, July 30, 2010, file photo, Mark Calcavecchia hits near a water hazard on the fifth hole during the second round of the U.S. Senior Open golf tournament at Sahalee Country Club in Sammamish, Wash. Calcavecchia is preparing this week for the 3M Championship, his fifth tournament on the 50-and-over tour. Calcavecchia's challenge now is finding the confidence and consistency he needs to stay competitive in the new environment. (AP Photo/Ted S. Warren, File)

Photo by: Ted S. Warren

FILE - In this Friday, July 30, 2010, file photo, Mark Calcavecchia hits near a water hazard on the fifth hole during the second round of the U.S. Senior Open golf tournament at Sahalee Country Club in Sammamish, Wash. Calcavecchia is preparing this week for the 3M Championship, his fifth tournament on the 50-and-over tour. Calcavecchia's challenge now is finding the confidence and consistency he needs to stay competitive in the new environment. (AP Photo/Ted S. Warren, File)