Celtic sign keeper Johnstone & striker Mheuka on loan

Johnstone has Premier League experience with Wolves, West Brom and Crystal Palace [Getty Images]Celtic have completed loan deals for former England goalkeeper Sam Johnstone and teenage striker Shumaira Mheuka.Johnstone, 33, arrives from Wolverhampton Wanderers and will provide competition for Finland international Viljami Sinisalo at the Scottish champions.Mheuka, 18, has extended his contract at Chelsea until 2031, having made nine outings for the London club already.Four of those came in the 2