James Bolton is one of three right-backs in Pompey's existing 13-man squad.

Source: https://www.portsmouth.co.uk/sport/football/portsmouth-fc/three-right-backs-no-central-midfielders-and-two-injured-players-the-issues-behind-portsmouths-14-man-squad-3258581

The 19 year old is likely to initially bolster the B team, but the futures of senior right-backs Tino Livramento and Kyle Walker-Peters are up in the air amid interest from the Premier League.

Source: https://www.dailyecho.co.uk/sport/23621612.martin-issues-strong-transfer-statement-southampton-players/?ref=rss

When McNamara was brought back from St Johnstone in January 2021, Millwall had two out-and-out right-backs competing for the spot.

Source: https://southwarknews.co.uk/area/southwark/analysis-what-millwall-need-to-do-next-to-bridge-gap-to-championships-top-six/