All three players will receive invites to spring training. LaHair, 32, spent last season in the minors. He hit .223/.309/.318 over 453 at-bats. He was an All-Star with the Cubs back in 2012.
Paulino spent last season with the White Sox. After four starts in the majors, he was demoted. It was revealed Paulino was dealing with a shoulder injury. He missed most of the season recovering from the issue.
Quintero, 35, hit .290/.311/.425 in Triple-A last season. He received just two at-bats in the majors.
The left-handed Tarpley pitched at Class A in 2014 and went 3-5 with a 3.68 ERA.
Snider hit .264 with 13 home runs and 38 RBI in 2014 and will be a free agent after the 2016 season. Orioles executive vice president Dan Duquette said Snider fits in well with the team, reports MASNsports.com.
"Snider is a solid dependable power-hitting outfielder and is an excellent fit for Camden Yards," Duquette said.
"The rehab's going well and going how it's supposed to from all the talk I've gotten with Dr. (James) Andrews and my physical therapist down here and Richie (Bancells)," Wieters said, per MASNsports.com. "Everything's kind of moved along and we're preparing for me to be ready for opening day. We still have a good couple of months before we're there, so it's still going to be a lot of work to put into it, but that's what I'm preparing for. We're trying to get all the steps checked off before we get there.
"We'll see when I'm actually going to be able to get behind the plate and catch in games during spring training, but it's just a matter of making sure the arm has been tested enough to where when we do get into games with adrenaline and a little bit of pressure that we're ready to go."
Wieters added making sure his shoulder is also in good shape is part of the rehab process coming off elbow surgery.
"(Monday) we went out to 150 just to test it out a little bit," he said, "and everything has kind of checked out and we've had nothing really major to set back the progression."
Wieters underwent Tommy John surgery last season, and is working his way back from the surgery. He was cleared to start throwing from 150 feet on Monday. Wieters had previously been throwing from 120 feet. He said he's preparing as if he'll be ready for opening day.
Wieters hit .308/.339/.500 over 104 at-bats last year.
"I really don't think there's much of a question going in there," Flowers said. "I would definitely say it's my job to lose. Barring an injury, there's really no doubt I'll be the guy catching opening day."
Flowers avoided arbitration by agreeing to a one-year deal, worth $2.675 million for this season. The 28-year-old hit .241/.297/.396 with 15 homers and 50 RBI over 407 at-bats in 2014.
"At this point, there's no reason to move off of that," general manager Rick Hahn said. "Competition is good. It brings out the best in people. And if someone comes in and fights for that job and earns it, I'm sure we'll be flexible. But certainly, we view Tyler as the starter."
"If he's not ready by opening day, it's gonna be very, very close. We'll know more Feb. 15," Dombrowski said.
Cabrera underwent right ankle surgery to remove bone spurs and to repair a stress fracture in a bone at the top of his foot on Oct. 22. He was cleared to remove his walking boot earlier in January and is expected to be reexamined on Feb. 15, right before Detroit's first full-squad workouts.
"I'm feeling great," Avila said. "After the season, there were a few days of just kind of relaxing, recovering from the concussion. After that, I was cleared by the doctors on everything. I feel great and moving along as normal."
Avilla will enter spring training without any restrictions. Manager Brad Ausmus indicated in December that he could see a lighter workload behind the plate in 2015. Because of the injuries, Avilla is open to wearing a hockey-style catcher's mask this season.
"I tried it one time my very first spring training in a bullpen," Avila said. "I didn't give it much of a chance. I never really thought how much of a difference it would make as far as kind of withstanding those impacts from the ball. But you live and you learn."
Avilla struggled last season, hitting just .218/.327/.359 over 390 at-bats. He noted that he never considered hanging up his cleats after a rough 2014 campaign.
"Never," Avila said. "That's never even crossed my mind."
The 15 players were pitchers Jairo Asencio, Scott Carroll, Jesse Crain, Logan Kensing, Arcenio Leon, J.D. Martin, Brad Penny, Zach Phillips, Joe Savery, catchers George Kottaras and Geovany Soto, infielders Juan Diaz and Andy LaRoche, and outfielders Tony Campana and Michael Taylor.
Soto is a 10-year MLB veteran. He spent the 2014 season with Texas and Oakland, batting .250 with one home run, six doubles and 11 RBI in 24 games. Soto missed a good portion of the season due to knee and foot injuries.