On Sunday, the Pittsburgh Steelers held off a late rally by the Minnesota Vikings to eek out a 24-21 win and improve to 3-1 on the season. We turned to Pro Football Focus to for their weekly player grades to check in and see how the top five and bottom five on offense from Week Four.

Top 5 – No surprise here but this group is headlined by wide receiver DK Metcalf and running back Kenneth Gainwell. Both players were huge catalysts in the win, accounting for three total touchdowns between them.

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1 – WR DK Metcalf – 91.1

2 – RB Kenneth Gainwell – 85.0

3 – G Mason McCormick – 79.3

4 – G Isaac Seumalo – 66.3

5 – FB Connor Heyward – 62.2

Bottom 5 – It’s frustrating to see the Steelers’ starting offensive tackles ranking in the bottom five of grades. Rookie Kaleb Johnson barely qualified but struggled despite a golden opportunity with Jaylen Warren out.

1 – WR Calvin Austin III – 54.6

2 – OT Broderick Jones – 54.3

3 – OT Troy Fautanu – 54.2

4 – WR Ben Skowronek – 46.0

5 – RB Kaleb Johnson – 44.9

This article originally appeared on Steelers Wire: Steelers vs Vikings: Top 5/Bottom 5 PFF grades on offense