Nigerian right wing-backs Victor Moses and Ola Aina have been undergoing gym work ahead of Chelsea&rsquo;s Premier League tie against West Brom at Stamford Bridge on Sunday, December 11.<br /><br />The Blues have posted pictures of the pair working hard in the gym alongside four first-teamers Nathaniel Chalobah, Cesc F&agrave;bregas, N&rsquo;Golo Kante and Pedro Rodr&iacute;guez.<br /><br />Ola Aina has struggled to break into Chelsea&rsquo;s first team in the current campaign due to the impressive form of Victor Moses, with only 152 minutes of game time under his belt. <br /><br />Of a possible 14 matches, the England youth international has been included in the Blues 18-man squad eight times. <br /><br />Moses has started the last eight games in the Premier League, scoring twice against Leicester City and Tottenham Hotspur.<br /><br />Igho Kingsley <br /><br />Photo Credit : chelseafc.com<br />