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Left-hander Boone Logan said he was “pain-free” after his throwing session on Sunday morning, an important step as the southpaw looks to get past elbow soreness that has kept him from registering any action so far this spring.

“I’ve never been so excited to throw a bullpen,” Logan told Mark Feinsand of the Daily News prior to his side session, which saw the lefty play long toss and then throw a few pitches off the mound.

Once it was over, Logan said his elbow wasn’t sore – and hasn’t been for a few days – and he was cautiously optimistic that he’ll be ready to go by Opening Day.

“It’s early still, so I’m not going to get too excited,” Logan said. “But everything feels good.”

Manager Joe Girardi had planned to bring Logan along slowly this spring after the lefty made an MLB-high 80 appearances last year. Logan had been shut down earlier this month after feeling soreness, but an MRI came back clean and he has been working his way back up to throwing off a mound.

The Yankees are currently also without their other lefty from last year, Clay Rapada, who was shut down last week due to shoulder bursitis.

One lefty they won’t be “without” much longer, however, is CC Sabathia, who threw a 50-pitch simulated game on Sunday morning at the team complex in Tampa, and told the media he hasn’t thought about his elbow surgery at all during his last couple of outings.

“I’m working pretty hard and trying to throw all my pitches and make it as game-like as possible,” Sabathia said. “I felt like I was throwing a little harder today.”

Girardi also feels Sabathia is ready, and the southpaw will make his Grapefruit League debut on Friday when the Yankees host the Marlins in Tampa.

Follow Lou DiPietro on Twitter: @LouDiPietroYES