diff --git a/eng/common/pipelines/templates/steps/create-pull-request.yml b/eng/common/pipelines/templates/steps/create-pull-request.yml
index 836ad4b3604b4..a60d26c8fe981 100644
--- a/eng/common/pipelines/templates/steps/create-pull-request.yml
+++ b/eng/common/pipelines/templates/steps/create-pull-request.yml
@@ -15,7 +15,6 @@ parameters:
   ScriptDirectory: eng/common/scripts
   GHReviewersVariable: '' 
   GHTeamReviewersVariable: ''
-  GHAssignessVariable: ''
   # Multiple labels seperated by comma, e.g. "bug, APIView"
   PRLabels: ''
 
@@ -76,6 +75,19 @@ steps:
       -PRTitle "${{ parameters.PRTitle }}"
       -PRBody "${{ coalesce(parameters.PRBody, parameters.CommitMsg, parameters.PRTitle) }}"
       -PRLabels "${{ parameters.PRLabels}}"
-      -UserReviewers "$(${{ parameters.GHReviewersVariable }})"
-      -TeamReviewers "$(${{ parameters.GHTeamReviewersVariable }})"
-      -Assignees "$(${{ parameters.GHAssignessVariable }})"
\ No newline at end of file
+
+- task: PowerShell@2
+  displayName: Tag a Reviewer on PR
+  condition: and(succeeded(), eq(variables['HasChanges'], 'true'))
+  continueOnError: true
+  inputs:
+    pwsh: true
+    workingDirectory: ${{ parameters.WorkingDirectory }}
+    filePath: ${{ parameters.ScriptDirectory }}/add-pullrequest-reviewers.ps1
+    arguments: >
+      -RepoOwner "${{ parameters.RepoOwner }}"
+      -RepoName "$(RepoNameWithoutOwner)"
+      -AuthToken "$(azuresdk-github-pat)"
+      -GitHubUsers "$(${{ parameters.GHReviewersVariable }})"
+      -GitHubTeams "$(${{ parameters.GHTeamReviewersVariable }})"
+      -PRNumber "$(Submitted.PullRequest.Number)"
diff --git a/eng/common/scripts/Submit-PullRequest.ps1 b/eng/common/scripts/Submit-PullRequest.ps1
index c5eb19b3ca458..7f3f0a544e9a7 100644
--- a/eng/common/scripts/Submit-PullRequest.ps1
+++ b/eng/common/scripts/Submit-PullRequest.ps1
@@ -49,63 +49,39 @@ param(
   [string]$PRBody = $PRTitle,
 
   [Parameter(Mandatory = $false)]
-  [string]$PRLabels,
-
-  [Parameter(Mandatory = $false)]
-  [string]$UserReviewers,
-
-  [Parameter(Mandatory = $false)]
-  [string]$TeamReviewers,
-
-  [Parameter(Mandatory = $false)]
-  [string]$Assignees
+  [string]$PRLabels
 )
 
 $headers = @{
   Authorization = "bearer $AuthToken"
 }
-$baseURI = "https://api.github.com/repos"
-function SplitMembers ($membersString)
-{
-  return @($membersString.Split(",") | % { $_.Trim() } | ? { return $_ })
-}
 
-function InvokeGitHubAPI($apiURI, $method, $body) {
-  $resp = Invoke-RestMethod -Method $method -Headers $headers -Body ($body | ConvertTo-Json) -Uri $apiURI -MaximumRetryCount 3
-  Write-Host -f green "These members have been added to: https://github.com/$RepoOwner/$RepoName/pull/$prNumber"
-  ($body | Format-List | Write-Output)
-  $resp | Write-Verbose
-}
+$query = "state=open&head=${PROwner}:${PRBranch}&base=${BaseBranch}"
 
-function AddReviewers ($prNumber, $users, $teams) {
-  $uri = "$baseURI/$RepoOwner/$RepoName/pulls/$prNumber/requested_reviewers"
-  $userAdditions = SplitMembers -membersString $users
-  $teamAdditions = SplitMembers -membersString $teams
-  $postResp = @{}
-  if ($userAdditions) {
-    $postResp["reviewers"] = @($userAdditions)
-  }
-  if ($teamAdditions) {
-    $postResp["team_reviewers"] = @($teamAdditions)
+function AddLabels([int] $prNumber, [string] $prLabelString)
+{
+  # Adding labels to the pr.
+  if (-not $prLabelString) {
+    Write-Verbose "There are no labels added to the PR."
+    return
   }
-  return InvokeGitHubAPI -apiURI $uri -method 'Post' -body $postResp
-}
 
-function AddLabelsAndOrAssignees ($prNumber, $labels, $assignees) {
-  $uri = "$baseURI/$RepoOwner/$RepoName/issues/$prNumber"
-  $labelAdditions = SplitMembers -membersString $labels
-  $assigneeAdditions = SplitMembers -membersString $assignees
-  $postResp = @{}
-  if ($assigneeAdditions) {
-    $postResp["assignees"] = @($assigneeAdditions)
+  # Parse the labels from string to array
+  $prLabelArray = @($prLabelString.Split(",") | % { $_.Trim() } | ? { return $_ })
+  $prLabelUri = "https://api.github.com/repos/$RepoOwner/$RepoName/issues/$prNumber"
+  $labelRequestData = @{
+    labels = $prLabelArray
   }
-  if ($labelAdditions) {
-    $postResp["labels"] = @($labelAdditions)
+  try {
+    $resp = Invoke-RestMethod -Method PATCH -Headers $headers $prLabelUri -Body ($labelRequestData | ConvertTo-Json)
+  }
+  catch {
+    Write-Error "Invoke-RestMethod $prLabelUri failed with exception:`n$_"
   }
-  return InvokeGitHubAPI -apiURI $uri -method 'Post' -body $postResp
-}
 
-$query = "state=open&head=${PROwner}:${PRBranch}&base=${BaseBranch}"
+  $resp | Write-Verbose
+  Write-Host -f green "Label(s) [$prLabelArray] added to pull request: https://github.com/$RepoOwner/$RepoName/pull/$prNumber"
+}
 
 try {
   $resp = Invoke-RestMethod -Headers $headers "https://api.github.com/repos/$RepoOwner/$RepoName/pulls?$query"
@@ -117,18 +93,11 @@ catch {
 $resp | Write-Verbose
 
 if ($resp.Count -gt 0) {
-  try {
     Write-Host -f green "Pull request already exists $($resp[0].html_url)"
 
     # setting variable to reference the pull request by number
     Write-Host "##vso[task.setvariable variable=Submitted.PullRequest.Number]$($resp[0].number)"
-    AddReviewers -prNumber $resp[0].number -users $UserReviewers -teams $TeamReviewers
-    AddLabelsAndOrAssignees -prNumber $resp[0].number -labels $PRLabels -assignees $Assignees
-  }
-  catch {
-    Write-Error "Call to GitHub API failed with exception:`n$_"
-    exit 1
-  }
+    AddLabels $resp[0].number $PRLabels
 }
 else {
   $data = @{
@@ -143,17 +112,17 @@ else {
     $resp = Invoke-RestMethod -Method POST -Headers $headers `
                               "https://api.github.com/repos/$RepoOwner/$RepoName/pulls" `
                               -Body ($data | ConvertTo-Json)
-
-    $resp | Write-Verbose
-    Write-Host -f green "Pull request created https://github.com/$RepoOwner/$RepoName/pull/$($resp.number)"
-  
-    # setting variable to reference the pull request by number
-    Write-Host "##vso[task.setvariable variable=Submitted.PullRequest.Number]$($resp.number)"
-    AddReviewers -prNumber $resp.number -users $UserReviewers -teams $TeamReviewers
-    AddLabelsAndOrAssignees -prNumber $resp.number -labels $PRLabels -assignees $Assignees
   }
   catch {
-    Write-Error "Call to GitHub API failed with exception:`n$_"
+    Write-Error "Invoke-RestMethod [https://api.github.com/repos/$RepoOwner/$RepoName/pulls] failed with exception:`n$_"
     exit 1
   }
-}
\ No newline at end of file
+
+  $resp | Write-Verbose
+  Write-Host -f green "Pull request created https://github.com/$RepoOwner/$RepoName/pull/$($resp.number)"
+
+  # setting variable to reference the pull request by number
+  Write-Host "##vso[task.setvariable variable=Submitted.PullRequest.Number]$($resp.number)"
+
+  AddLabels $resp.number $PRLabels
+}
diff --git a/eng/common/scripts/add-pullrequest-reviewers.ps1 b/eng/common/scripts/add-pullrequest-reviewers.ps1
new file mode 100644
index 0000000000000..3198dcb40d2c1
--- /dev/null
+++ b/eng/common/scripts/add-pullrequest-reviewers.ps1
@@ -0,0 +1,61 @@
+param(
+    [Parameter(Mandatory = $true)]
+    $RepoOwner,
+
+    [Parameter(Mandatory = $true)]
+    $RepoName,
+
+    [Parameter(Mandatory = $false)]
+    $GitHubUsers = "",
+
+    [Parameter(Mandatory = $false)]
+    $GitHubTeams = "",
+
+    [Parameter(Mandatory = $true)]
+    $PRNumber,
+  
+    [Parameter(Mandatory = $true)]
+    $AuthToken
+)
+
+function AddMembers($memberName, $additionSet) {
+  $headers = @{
+    Authorization = "bearer $AuthToken"
+  }
+  $uri = "https://api.github.com/repos/$RepoOwner/$RepoName/pulls/$PRNumber/requested_reviewers"
+  $errorOccurred = $false
+
+  foreach ($id in $additionSet) {
+    try {
+      $postResp = @{}
+      $postResp[$memberName] = @($id)
+      $postResp = $postResp | ConvertTo-Json
+
+      Write-Host $postResp
+      $resp = Invoke-RestMethod -Method Post -Headers $headers -Body $postResp -Uri $uri -MaximumRetryCount 3
+      $resp | Write-Verbose
+    }
+    catch {
+      Write-Host "Error attempting to add $user `n$_"
+      $errorOccurred = $true
+    }
+  }
+
+  return $errorOccurred
+}
+
+# at least one of these needs to be populated
+if (-not $GitHubUsers -and -not $GitHubTeams) {
+  Write-Host "No user provided for addition, exiting."
+  exit 0
+}
+
+$userAdditions = @($GitHubUsers.Split(",") | % { $_.Trim() } | ? { return $_ })
+$teamAdditions = @($GitHubTeams.Split(",") | % { $_.Trim() } | ? { return $_ })
+
+$errorsOccurredAddingUsers = AddMembers -memberName "reviewers" -additionSet $userAdditions
+$errorsOccurredAddingTeams = AddMembers -memberName "team_reviewers" -additionSet $teamAdditions
+
+if ($errorsOccurredAddingUsers -or $errorsOccurredAddingTeams) {
+  exit 1
+}
diff --git a/eng/common/scripts/get-pr-creator.ps1 b/eng/common/scripts/get-pr-creator.ps1
deleted file mode 100644
index 23a1f28c6e21a..0000000000000
--- a/eng/common/scripts/get-pr-creator.ps1
+++ /dev/null
@@ -1,37 +0,0 @@
-param (
-    [Parameter(Mandatory = $true)]
-    [string]$RepoOwner,
-
-    [Parameter(Mandatory = $true)]
-    [string]$RepoName,
-
-    [Parameter(Mandatory = $true)]
-    $PullRequestNumber,
-
-    [Parameter(Mandatory = $true)]
-    $VsoPRCreatorVariable,
-
-    [Parameter(Mandatory = $false)]
-    $AuthToken
-)
-
-$headers = @{ }
-
-if ($AuthToken) {
-    $headers = @{
-        Authorization = "bearer $AuthToken"
-    }
-}
-
-try
-{
-    $prApiUrl = "https://api.github.com/repos/$RepoOwner/$RepoName/pulls/${PullRequestNumber}"
-    $response = Invoke-RestMethod -Headers $headers $prApiUrl
-    Write-Host "##vso[task.setvariable variable=$VsoPRCreatorVariable;]$($response.user.login)"
-}
-catch
-{
-    Write-Error "Invoke-RestMethod ${prApiUrl} failed with exception:`n$_"
-    exit 1
-}
-