Yankees pitching coach Dave Eiland believes he has helped correct a mechanical flaw in the delivery of struggling pitcher A.J. Burnett. Eiland returned to New York on Tuesday after taking a 25-day personal leave. Burnett threw a 35-pitch bullpen session before the Yankees took on the Mariners Wednesday night. Eiland noticed that Burnett's front shoulder was "flying open again" during his delivery. "It's not something he hasn't heard before," Eiland said of Burnett. "Your front side dictates the rest of your delivery. That's always been a big thing with A.J. He has to channel all his energy toward the plate and come over the top, rather than from the side. I think he's in a good place right now." Burnett will start Friday against the Blue Jays.