Shrewsbury hit for four at Elland Road...
UNITED 4 (Becchio 20, Varney 26, Norris 65, McCormack pen 69), SHREWSBURY 0
Leeds: Kenny, Byram, Peltier, Pearce, White, Green (Poleon 76), Austin, Norris, Varney (Brown 86), McCormack (Diouf 76), Becchio. Subs: Ashdown, Drury, Kisnorbo, Gray.
Shrewsbury: Weale, Grandison, Jacobson (Wildig 79), Summerfield (Hall 78), Purdie, Wright, Richards, Morgan, Parry, Hector, Gornell (Bradshaw 86). Subs: Anyon, Taylor, Hazel, Goldson.
Referee: M Heywood
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United manager unveiled a surprise signing ahead of the kick-off when El Hadji Diouf was named among his subs. The starting line-up included eight debutants, seven new signings, and teenage defender Sam Byram, who stepped into replace the injured Tom Lees.
The Capital One First Round tie was a curtain raiser to the Championship opener against Wolves, and it was a lively start to proceedings with both sides looking to attack. Paddy Kenny's first taste of competitive action was to make a good save to deny Mark Wright during the early stages.
Kenny was tested early on, including another great stop from Jermaine Grandison right on the line, but it was United who scored the opening goal after 20 minutes.
Rodolph Austin tried his luck from distance with a shot which was parried and Luciano Becchio was on hand to tap the ball home.
That advantage was doubled just six minutes later when Luke Varney finished off a flowing move from close range after Ross McCormack had seen his shot blocked.
The visitors had shown plenty of spirit and endeavour with the ball, trying to take the game to Leeds, but United's passing from back to front was assured and, with the ball, Leeds looked both comfortable and threatening.
As the game headed towards half-time, Grandison headed over for the visitors while McCormack shot at straight at Chris Weale and David Norris, who was wearing the captain's armband, lifted a shot over the top.
Norris also went close early in the second half following good play by McCormack, but he was denied by the visiting goalkeeper.
McCormack was also involved in a move the ended with young Byram whipping a ball back into the middle and across the face of goal. The Scot was impressing and he almost played an advancing Paul Green in.
But the game was put beyond doubt on 65 minutes when Norris found himself well placed just inside the box to hammer the ball home after the visiting defence failed to clear their lines.
A fourth goal came just four minutes later when a Shrewsbury defender handled while under pressure from Green, and McCormack stepped up to convert the penalty kick.
With 14 minutes to go, Warnock made two changes, handing debuts to Diouf and Poleon in place of McCormack and Green.
The visitors did have another opportunity when Marvin Morgan looked to slip the ball beyond Kenny, but the Leeds keeper got a fingertip to the shot to turn it around the post, despite a goalkick being awarded.
There were no further chances as United eased towards a comfortable 4-0 win to kick off the season.