On August 12, 2007, in a game against the Seattle Mariners, Jenks retired his 41st consecutive batter, the Mariners' Yuniesky Betancourt, tying the Major League record held by San Francisco Giants pitcher Jim Barr, set over two games on August 23, 1972, and August 29, 1972. On August 20, 2007, Jenks allowed a base hit by Kansas City Royals outfielder Joey Gathright, ending his streak of 41 consecutive batters retired. However, Jenks was still able to get a save during the game.