<text>  At the tender age of five, hes probably only recently learnt how to write his own name. But that didnt stop Wayne Rooneys son, Kai, signing an autograph while appearing at Old Trafford on Sunday. While his father is amongst the worlds most famous sportsmen, there are clear signs the boy is already following in his footsteps. Scroll down for video . Spotted: While his father is amongst the worlds most famous sportsmen, there are clear signs Kai Rooney is already following in his footsteps . Kai Rooney was mascot for Manchester United on Sunday and was even signing autographs for supporters . Rooney points out something in the crowd to his son ahead of scoring in Uniteds 3-0 win over Tottenham . Wayne and Kai walk hand-in-hand out on to the Old Trafford turf ahead of the Barclays Premier League clash . The Manchester United captains eldest child was mascot for his sides 3-0 win over Tottenham Hotspur in the Barclays Premier League. Dressed in a United kit with the number 10 - his fathers - on the back, the boy was photographed seemingly enjoying a taste of celebrity as he signed a piece of paper for a middle-aged woman. Twitter user Hammad Khaann, of Karachi, Pakistan, uploaded the picture online and wrote: Kai Rooney signing autographs yesterday. What a lad! Others were unamused, with James Palmer saying: How pathetic must your life be if youre asking for Kai Rooneys autograph? Grown human beings acting like school girls over a five-year-old. Another, who goes by the username of Pheoma, tweeted: Five-year-old Kai signed autograph for fans on Sunday... Can he even spell his name? Wonders shall never end. Rooneys son, sporting a Kai 10 United shirt, evidently drew the attention of supporters on Sunday afternoon . Rooney delivered a knockout blow to Spurs before beginning his celebration with punches to the air . Rooney falls backwards as if knocked out in a nod to the video released of him in a Sunday newspaper . Flat on his back, 29-year-old Rooney mocked reports of the boxing incident with Stoke Citys Phil Bardsley . Family: Kai left lives with his brother Klay centre, one, father Wayne, 29, and mother Coleen right, 28 . Kai, along with his brother Klay, one, is regularly photographed enjoying shopping trips and exotic holidays with his mother Coleen, 28. After sealing the victory for his team last weekend, Rooney celebrated by punching the air and falling to the ground - mimicking a video released appearing to show to him being knocked out by Stokes Phil Bardsley in a boxing match in his kitchen. Following the match, the 29-year-old uploaded a picture of him and Kai before the game on Instagram, writing: It was great to have my son Kai as mascot yesterday. It was a vital win for the home side who clung on to a two-point lead over Liverpool in fourth place, with the clubs set to face each other at Anfield on Sunday. 