NEW YORK — This is the next stop on Dellin Betances' subway ride around New York.

After spending his first eight seasons in the majors with the crosstown Yankees, the New Yorker has joined the Mets on a one-year contract with a player option for 2021. The deal was announced on Christmas Eve and guarantees the towering right-handed reliever at least $10.5 million.

“This past week-and-a-half has brought a lot of excitement to myself and my family,” Betances said during his introductory news conference Thursday at Citi Field, where he was joined by more than two dozen family members. “Christmas, in fact, came a little bit early as we celebrated our signing with the New York Mets.”

Betances’ journey has taken him through all five of New York City’s boroughs. Born in Manhattan’s Washington Heights neighbourhood, the four-time All-Star grew up on the island’s Lower East Side.

The Yankees drafted Betances out of Brooklyn’s Grand Street Campus High School in 2006. A year later he suited up for Low A Staten Island and eventually made his big league debut at Yankee Stadium in 2011.

“I feel like we've been spoiled throughout our career,” the 31-year-old Betances said about playing in the city in which he grew up. “I was definitely excited to stay home. I think the rest of my family were excited, so I think it worked out perfect."

This Big Apple baseball tour culminates with his new team in Queens, where Betances will be counted on to play a key role on a club managed by a former teammate and close friend.

“He’s probably one of the players that I would say is just hungry for baseball,” Betances said of rookie manager Carlos Beltrán. “Obviously, him being the manager here definitely helped out. I know how much a lot of the players are going to be excited to play for a guy like that, a future Hall of Famer.”

Beltrán influenced Betances' decision to sign with the Mets, as did several others in the organization, including veteran second baseman Robinson Canó, who had multiple video calls with the reliever.

Betances gets a $5.3 million signing bonus, in equal installments of $1,325,000 on Feb. 1, April 1, July 1 and Oct. 1. He has a $2.2 million salary this year, and a $6 million player option for 2021 with a $3 million buyout if not exercised. There is a $1 million conditional player option for 2022 that could be exercised if Betances pitches in 50 or more major league games this year.

His 2021 salary could escalate by $3.8 million depending on games this year: $800,000 for 40 and $1 million each for 50, 60 and 70. The 2022 conditional option could escalate by $2 million: $1 million apiece for 60 and 70 games pitched in 2021. In addition, there would be a $1 million assignment bonus if traded, payable by the acquiring team.

Listed at 6-foot-8 and 265 pounds, Betances strikes an imposing presence. He can throw in the high-90s, his fastball coupled with an effective knuckle curve. He appeared in 358 regular season games with the Yankees, posting a 2.36 ERA.

“He's got size, he's got strength and he's got swagger when he takes the mound,” general manager Brodie Van Wagenen said. “His power stuff can overmatch and overpower, and ultimately he can intimidate his opposing hitters.”

Opponents have hit just .170 against Betances during his career, the third-lowest mark among active players with at least 300 innings pitched.

Betances was the first reliever in baseball history to strike out 100 or more in five consecutive seasons (2014-2018), striking out 40% of batters he faced during that span.

He was sidelined in spring training with an impingement in his pitching shoulder, strained his right lat during the rehab process and didn't make his 2019 debut until mid-September, an outing that lasted just eight pitches. Betances tore his Achilles tendon during that appearance and has not pitched since.

“His health is something that we got comfortable with throughout the process. He did his rehab here in New York,” Van Wagenen said. “From our standpoint, we expect him to be fully on track for the start of spring training.”

Betances has been long tossing and plans to throw off of a mound in about a week.

“Normal off-season as far as throwing-wise and preparation,” he said. “The only thing is that I have to work a lot harder now to try to gain some of that strength that you lose when you have to wear a boot for six weeks.”

Betances will become the 136th player to take the field for both the Mets and Yankees, according to STATS. Before Betances, just five have played for only those two teams, a group that includes Hall of Famer Yogi Berra.

A weak spot last year, the Mets’ bullpen has plenty of potential heading into 2020. The 4.95 ERA ranked 12th in the National League, and the bullpen converted a paltry 38 saves in 65 opportunities.

The biggest disappointment was former All-Star Edwin Díaz, whose ERA ballooned from 1.96 in 2018 to 5.59 in his first year with New York. The embattled closer has been working with new pitching coach Jeremy Hefner, and the GM is encouraged.

“First and foremost, he's healthy. Secondly, even in his difficult time last year he still struck out 99 batters over the course of the year,” Van Wagenen said of Díaz. “Then we know the work that he's putting into his training — from a nutrition standpoint, strength and conditioning as well as nuts and bolts mechanics.”

Van Wagenen is optimistic that a healthy Betances and improved Díaz can help make the Mets contenders in the NL East.

"I've talked many times this off-season and in the past that our goal is to increase the floor of our projected win total. This signing's different,” he said. “This signing was intended to blow the cover off of our ceiling. We believe that a healthy and dominant Dellin combined with Edwin Díaz and Seth Lugo and Justin Wilson, Jeurys Familia, Brad Brach, Robert Gsellman. This collective group has the potential to be one of the best bullpens in baseball.”

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