diff --git a/modules/adfBidAdapter.js b/modules/adfBidAdapter.js
index 27fb36a225d9..925c0b3500ed 100644
--- a/modules/adfBidAdapter.js
+++ b/modules/adfBidAdapter.js
@@ -3,7 +3,7 @@
 
 import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {BANNER, NATIVE, VIDEO} from '../src/mediaTypes.js';
-import {deepAccess, deepClone, deepSetValue, mergeDeep, parseSizesInput} from '../src/utils.js';
+import {deepAccess, deepClone, deepSetValue, mergeDeep, parseSizesInput, setOnAny} from '../src/utils.js';
 import {config} from '../src/config.js';
 import {Renderer} from '../src/Renderer.js';
 
@@ -255,15 +255,6 @@ export const spec = {
 
 registerBidder(spec);
 
-function setOnAny(collection, key) {
-  for (let i = 0, result; i < collection.length; i++) {
-    result = deepAccess(collection[i], key);
-    if (result) {
-      return result;
-    }
-  }
-}
-
 function flatten(arr) {
   return [].concat(...arr);
 }
diff --git a/modules/codefuelBidAdapter.js b/modules/codefuelBidAdapter.js
index a4accee3ce04..9f85b2b82cb2 100644
--- a/modules/codefuelBidAdapter.js
+++ b/modules/codefuelBidAdapter.js
@@ -1,4 +1,4 @@
-import {deepAccess, isArray} from '../src/utils.js';
+import {isArray, setOnAny} from '../src/utils.js';
 import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {BANNER} from '../src/mediaTypes.js';
 
@@ -148,15 +148,6 @@ function getDeviceType() {
   return 2; // 'desktop'
 }
 
-function setOnAny(collection, key) {
-  for (let i = 0, result; i < collection.length; i++) {
-    result = deepAccess(collection[i], key);
-    if (result) {
-      return result;
-    }
-  }
-}
-
 function flatten(arr) {
   return [].concat(...arr);
 }
diff --git a/modules/deltaprojectsBidAdapter.js b/modules/deltaprojectsBidAdapter.js
index 870378a13dde..15e94a5bc362 100644
--- a/modules/deltaprojectsBidAdapter.js
+++ b/modules/deltaprojectsBidAdapter.js
@@ -8,7 +8,8 @@ import {
   isFn,
   isNumber,
   logError,
-  logWarn
+  logWarn,
+  setOnAny
 } from '../src/utils.js';
 import {config} from '../src/config.js';
 
@@ -234,16 +235,6 @@ export function getBidFloor(bid, mediaType, size, currency) {
   }
 }
 
-/** -- Helper methods -- */
-function setOnAny(collection, key) {
-  for (let i = 0, result; i < collection.length; i++) {
-    result = deepAccess(collection[i], key);
-    if (result) {
-      return result;
-    }
-  }
-}
-
 /** -- Register -- */
 export const spec = {
   code: BIDDER_CODE,
diff --git a/modules/dianomiBidAdapter.js b/modules/dianomiBidAdapter.js
index d4b2a4a5da5d..f4f81f20f87c 100644
--- a/modules/dianomiBidAdapter.js
+++ b/modules/dianomiBidAdapter.js
@@ -10,6 +10,7 @@ import {
   parseSizesInput,
   deepSetValue,
   formatQS,
+  setOnAny
 } from '../src/utils.js';
 import { config } from '../src/config.js';
 import { Renderer } from '../src/Renderer.js';
@@ -355,15 +356,6 @@ function parseNative(bid) {
   return result;
 }
 
-function setOnAny(collection, key) {
-  for (let i = 0, result; i < collection.length; i++) {
-    result = deepAccess(collection[i], key);
-    if (result) {
-      return result;
-    }
-  }
-}
-
 function flatten(arr) {
   return [].concat(...arr);
 }
diff --git a/modules/finativeBidAdapter.js b/modules/finativeBidAdapter.js
index 87580a209bbb..e7613bf9cce2 100644
--- a/modules/finativeBidAdapter.js
+++ b/modules/finativeBidAdapter.js
@@ -3,7 +3,7 @@
 
 import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {NATIVE} from '../src/mediaTypes.js';
-import {_map, deepAccess, deepSetValue, isEmpty} from '../src/utils.js';
+import {_map, deepSetValue, isEmpty, setOnAny} from '../src/utils.js';
 import {config} from '../src/config.js';
 import {convertOrtbRequestToProprietaryNative} from '../src/native.js';
 
@@ -224,15 +224,6 @@ function parseNative(bid) {
   return result;
 }
 
-function setOnAny(collection, key) {
-  for (let i = 0, result; i < collection.length; i++) {
-    result = deepAccess(collection[i], key);
-    if (result) {
-      return result;
-    }
-  }
-}
-
 function flatten(arr) {
   return [].concat(...arr);
 }
diff --git a/modules/mgidBidAdapter.js b/modules/mgidBidAdapter.js
index fb3990e97f1d..40c5d3797b49 100644
--- a/modules/mgidBidAdapter.js
+++ b/modules/mgidBidAdapter.js
@@ -12,7 +12,7 @@ import {
   isFn,
   isNumber,
   isBoolean,
-  isInteger, deepSetValue, getBidIdParameter,
+  isInteger, deepSetValue, getBidIdParameter, setOnAny
 } from '../src/utils.js';
 import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {BANNER, NATIVE} from '../src/mediaTypes.js';
@@ -431,15 +431,6 @@ export const spec = {
 
 registerBidder(spec);
 
-function setOnAny(collection, key) {
-  for (let i = 0, result; i < collection.length; i++) {
-    result = deepAccess(collection[i], key);
-    if (result) {
-      return result;
-    }
-  }
-}
-
 /**
  * Unpack the Server's Bid into a Prebid-compatible one.
  * @param serverBid
diff --git a/modules/outbrainBidAdapter.js b/modules/outbrainBidAdapter.js
index 9690b79fea53..2f78dfe603cb 100644
--- a/modules/outbrainBidAdapter.js
+++ b/modules/outbrainBidAdapter.js
@@ -5,7 +5,7 @@ import {registerBidder} from '../src/adapters/bidderFactory.js';
 import {BANNER, NATIVE, VIDEO} from '../src/mediaTypes.js';
 import { getStorageManager } from '../src/storageManager.js';
 import {OUTSTREAM} from '../src/video.js';
-import {_map, deepAccess, deepSetValue, isArray, logWarn, replaceAuctionPrice} from '../src/utils.js';
+import {_map, deepAccess, deepSetValue, logWarn, replaceAuctionPrice, setOnAny, parseGPTSingleSizeArrayToRtbSize} from '../src/utils.js';
 import {ajax} from '../src/ajax.js';
 import {config} from '../src/config.js';
 import {convertOrtbRequestToProprietaryNative} from '../src/native.js';
@@ -94,7 +94,7 @@ export const spec = {
         imp.video = getVideoAsset(bid);
       } else {
         imp.banner = {
-          format: transformSizes(bid.sizes)
+          format: bid.sizes?.map((size) => parseGPTSingleSizeArrayToRtbSize(size))
         }
       }
 
@@ -174,7 +174,7 @@ export const spec = {
     }
     const { seatbid, cur } = serverResponse.body;
 
-    const bidResponses = flatten(seatbid.map(seat => seat.bid)).reduce((result, bid) => {
+    const bidResponses = seatbid.map(seat => seat.bid).flat().reduce((result, bid) => {
       result[bid.impid - 1] = bid;
       return result;
     }, []);
@@ -288,19 +288,6 @@ function parseNative(bid) {
   return result;
 }
 
-function setOnAny(collection, key) {
-  for (let i = 0, result; i < collection.length; i++) {
-    result = deepAccess(collection[i], key);
-    if (result) {
-      return result;
-    }
-  }
-}
-
-function flatten(arr) {
-  return [].concat(...arr);
-}
-
 function getNativeAssets(bid) {
   return _map(bid.nativeParams, (bidParams, key) => {
     const props = NATIVE_PARAMS[key];
@@ -319,7 +306,7 @@ function getNativeAssets(bid) {
       }
 
       if (bidParams.sizes) {
-        const sizes = flatten(bidParams.sizes);
+        const sizes = bidParams.sizes.flat();
         w = parseInt(sizes[0], 10);
         h = parseInt(sizes[1], 10);
       }
@@ -339,7 +326,7 @@ function getNativeAssets(bid) {
 }
 
 function getVideoAsset(bid) {
-  const sizes = flatten(bid.mediaTypes.video.playerSize);
+  const sizes = bid.mediaTypes.video.playerSize.flat();
   return {
     w: parseInt(sizes[0], 10),
     h: parseInt(sizes[1], 10),
@@ -354,34 +341,12 @@ function getVideoAsset(bid) {
     minduration: bid.mediaTypes.video.minduration,
     maxduration: bid.mediaTypes.video.maxduration,
     startdelay: bid.mediaTypes.video.startdelay,
-    placement: bid.mediaTypes.video.plcmt ?? bid.mediaTypes.video.placement,
+    placement: bid.mediaTypes.video.placement,
+    plcmt: bid.mediaTypes.video.plcmt,
     linearity: bid.mediaTypes.video.linearity
   };
 }
 
-/* Turn bid request sizes into ut-compatible format */
-function transformSizes(requestSizes) {
-  if (!isArray(requestSizes)) {
-    return [];
-  }
-
-  if (requestSizes.length === 2 && !isArray(requestSizes[0])) {
-    return [{
-      w: parseInt(requestSizes[0], 10),
-      h: parseInt(requestSizes[1], 10)
-    }];
-  } else if (isArray(requestSizes[0])) {
-    return requestSizes.map(item =>
-      ({
-        w: parseInt(item[0], 10),
-        h: parseInt(item[1], 10)
-      })
-    );
-  }
-
-  return [];
-}
-
 function _getFloor(bid, type) {
   const floorInfo = bid.getFloor({
     currency: CURRENCY,
diff --git a/src/utils.js b/src/utils.js
index 35596cb6442d..77f6f34b0995 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -4,8 +4,9 @@ import {includes} from './polyfill.js';
 import { EVENTS, S2S } from './constants.js';
 import {GreedyPromise} from './utils/promise.js';
 import {getGlobal} from './prebidGlobal.js';
+import { default as deepAccess } from 'dlv/index.js';
 
-export { default as deepAccess } from 'dlv/index.js';
+export { deepAccess };
 export { dset as deepSetValue } from 'dset';
 
 var tStr = 'String';
@@ -1231,3 +1232,20 @@ export function hasNonSerializableProperty(obj, checkedObjects = new Set()) {
   }
   return false;
 }
+
+/**
+ * Returns the value of a nested property in an array of objects.
+ *
+ * @param {Array} collection - Array of objects.
+ * @param {String} key - Key of nested property.
+ * @returns {any, undefined} - Value of nested property.
+ */
+export function setOnAny(collection, key) {
+  for (let i = 0, result; i < collection.length; i++) {
+    result = deepAccess(collection[i], key);
+    if (result) {
+      return result;
+    }
+  }
+  return undefined;
+}
diff --git a/test/spec/modules/outbrainBidAdapter_spec.js b/test/spec/modules/outbrainBidAdapter_spec.js
index 9825eb3ee79e..2669f814f2dd 100644
--- a/test/spec/modules/outbrainBidAdapter_spec.js
+++ b/test/spec/modules/outbrainBidAdapter_spec.js
@@ -390,7 +390,8 @@ describe('Outbrain Adapter', function () {
                 minduration: 3,
                 maxduration: 10,
                 startdelay: 2,
-                placement: 4,
+                placement: 5,
+                plcmt: 4,
                 linearity: 1
               }
             }