Dhameystir weedha soo socota: 1-da Juun, 2015, Walcott waxaa laga badalay New York Rangers oo loo beddelay Tampa Bay Lightning si loogu badalo wareega toddobaad ee doorashada
2015 NHL Entry Draft, oo markii hore loo diray Tampa Bay ee Martin St. Louis ganacsiga xilli ciyaareedkii hore. Walcott wuxuu dhammeeyay xilli ciyaareedkiisii labaad ee Quebec Major Junior Hockey League oo uu la yeeshay Blainville-Boisbriand Armada. Walcott wuxuu dhaliyay todobo gool iyo 41 dhibcood 54 kulan oo xilli ciyaareed caadi ah. Wuxuu sidoo kale ka soo muuqday hal ciyaar oo American Hockey League ah oo uu la yeeshay Hartford Wolf Pack ka dib markii uu saxiixay heshiis tijaabo ah oo hiwaayad ah.