So, TFS/VSTS is a suite of developer services. They fully support and integrate with git. In other words, git is a first-class citizen in TFS/VSTS. The centralized version control system in TFS/VSTS is called "Team Foundation Version Control" or TFVC.
There were a bunch of drivers to move to git: 1. DVCS has some great workflows. Local branching, transitive merging, offline commit, etc. 2. Git is becoming the industry standard and using that for our VC is both a recruiting and productivity advantage for us. 3. Git (and it's workflow) helps foster a better sense of sharing which is something we want to promote within the company. There are more but those are the major ones.
There were a bunch of drivers to move to git: 1. DVCS has some great workflows. Local branching, transitive merging, offline commit, etc. 2. Git is becoming the industry standard and using that for our VC is both a recruiting and productivity advantage for us. 3. Git (and it's workflow) helps foster a better sense of sharing which is something we want to promote within the company. There are more but those are the major ones.