He threw and batted right-handed, stood 5 feet 9 inches (1.75 m) tall and weighed 165 pounds (75 kg) as an active player.

After a year with the Nippon Ham Fighters in Japan, he played in the Cincinnati Reds organization and returned to the Major Leagues for a brief time in 2009 with the New York Mets.

[citation needed] In 2002, Green hit .222/.294/.333 in a 27-game glance at Triple-A with the Tucson Sidewinders but spent most of the year in High-A, where the 24/25-year-old batted .309/.401/.464 with the Lancaster JetHawks.

On August 21, he hit for the cycle, going 4 for 5 with a 9th-inning homer to seal the deal; it was one of just six home runs he clubbed that year for Lancaster.

[citation needed] Green had his third .300 stop in 2003 with the El Paso Diablos, posting a .302/.366/.400 line, doubling 38 times (only four other extra-base hits) and stealing 17 in 26 tries.

He tied Justin Leone for the Texas League lead in doubles and was third in average, trailing Ramón Nivar and Jake Weber.

Baseball America named him a second-team minor league All-Star behind Howie Kendrick among second basemen on the farm and the top 2B in AAA.

In late November, Arizona, sold Green's rights to Nippon Ham, which signed him for a $50,000 bonus and $660,000 salary for 2007.

He batted .331 with 8 home runs (13 on the season) in 52 games with the New Orleans Zephyrs of the PCL to give the Mets a reason to keep him for another year.

He spent the majority of the season on the disabled list and had rehabilitation assignments with the GCL Mets and the Brooklyn Cyclones of the New York–Penn League.

[citation needed] On January 5, 2010, Green signed a minor league contract with an invitation to spring training with the New York Mets.

[5] In 2013, after leading the Mobile BayBears to consecutive first and second half division titles, he was named Southern League's Manager of the Year.

After spending one season as a third base coach for the Diamondbacks, on October 29, 2015, Green was named manager of the San Diego Padres.

[13] Upon the hiring of Craig Counsell to replace Ross, Green departed the Cubs and joined the Mets organization within the team's front office.