With the title race grabbing all of Celtic’s attention at the moment, planning for next season will also be gnawing away at Brendan Rodgers. What the Celtic manager has learned over the past year or so is that the recruitment at the club has not been good enough and that there are many areas of the team that require strengthening in the summer. With Joe Hart retiring at the end of the season the goalkeeping position takes precedence as an area that needs to be addressed. But with obvious weaknesses in defence and the first team’s strength in depth lacking up front and in midfield, Brendan Rodg…