Some say that when Jesus washed the disciples’ feet, that was their baptism?
There were many opportunities for the disciples to be baptized by our Lord or by St. John. As Christ, the Master, was immersed in the Jordan River, He would have had His disciples also be baptized by immersion as well. There were no special circumstances that prevented the disciples from full immersion baptism during Christ's three-year ministry on earth. Therefore, the washing of the feet of the disciples is not the best interpretation for the baptism of Christ's disciples. Rather, He gave them the important lesson of Christian love, humble service, and priestly responsibilities. Love is a key factor in this event. With great humility, Christ reversed the role of the disciple to the Master by removing His robe and girding Himself to wash the feet of His disciples, rather than they performing this for Him. Thus, their roles as priests and servants of Christ were to follow His example. He emptied Himself in every way. Some Bible scholars contemplated that taking of His robe, was an indication of laying down His life, and taking the robe back up was indicative of His resurrection. Read John 13.