Maggert, Fowler share lead in US Senior Open (The Associated Press)

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Jeff Maggert tees off on the 15th hole during the final round of the Regions Tradition Champions Tour golf tournament at Shoal Creek Country Club, Sunday, May 17, 2015, in Birmingham, Ala. (AP Photo/Butch Dill)SACRAMENTO, Calif. (AP) -- Jeff Maggert and Peter Fowler shared the lead midway through the second round of the U.S. Senior Open.

Maggert shot a 5-under 65, and Fowler finished at 66 to move to 5 under Friday at Del Paso Country Club, where the temperature was expected to rise above 100 degrees for the second straight day.

Defending champion Colin Montgomerie shot another 68 and was among those one stroke back. Champions Tour stalwart Bernhard Langer had a 66 to move to 3…