Opponents are hitting just .179 against Johnson over that stretch, numbers that may very well suggest he's back to his old form -- his sinker sure looks like it is.
In the meantime, the A's have been utilizing a closer-by-committee approach and playing to matchups, with Sean Doolittle and Luke Gregerson mostly splitting ninth-inning duties. But Johnson's continued success could change that.
"It has certainly elevated the potential for him to close," manager Bob Melvin said Monday. "He's pitching really well."
Melvin had Johnson warming up in a save situation in Houston on Friday, but his services weren't needed after the A's scored seven runs in the ninth inning.
The All-Star righty entered Monday riding a streak of 20 consecutive saves against American League West competition dating back to Aug. 6, 2012. He has a 0.64 ERA over that 27-game span.
Jane Lee is a reporter for MLB.com. Read her blog, Major Lee-ague, and follow her on Twitter @JaneMLB. This story was not subject to the approval of Major League Baseball or its clubs.