Hi BlueLou
I've been able to replicate it on my 360 by searching for EFL, then selecting the option that shows 141 epiodes.
I only checked three games and each one was incorrect.
The Championship game between Bristol City and Millwall is dated Sunday 18th August in the list but plays the Derby v Middlesbrough game. The Bristol C v Millwall game was actually played on 17th August
The Championship game Derby v Middlesbrough, dated Sunday 18th August in the list plays the Carabao cup game between Leeds and Middlesbrough (starting with the second half) The actual Derby v 'Boro game was played on 17th August
The previous Championship game in the list Portsmouth v Luton dated Saturday 17th August (this has the correct date that the game was played) is also showing the Leeds v Middlesbrough Carabao cup game highlights starting from 9min 46 seconds in. The 'Boro v Leeds cup game was played on Wednesday 14th.
On a side note the Sky Community forums have their customers complaining about the need to switch to either Sky Q, Sky Glass or Sky Stream to access the additional Sky Sports + streams on their TV's.
They are also complaining of poor picture quality, buffering, and sounds out of sync on Sky Sports + streams (a couple of posts suggest pausing the game and then playing it back seems to stop the buffering and sync issues)