Looking at EMR and the MML in it's entirety.
EMR Connect 4tph (This could also justify removing a Thameslink which starts at Bedford and you could start it at Luton). Although if the Old Goods line was actually passenger speeds then it would make everything simpler.
St Pancras-Sheffield 2tph Fast (St Pancras, Leicester, Derby, Sheffield) 1tph Stopper (St Pancras, Bedford, Kettering, Leicester, Loughborough, EMP, Ilkeston, Alfreton, Sheffield)
St Pancras-Nottingham 1tph Fast (St Pancras, Leicester, Loughborough, EMP, Nottingham) 1tph Stopper (St Pancras, Bedford, Kettering, Leicester, Loughborough, EMP, Beeston, Nottingham)
Liverpool Lime Street-Nottingham 2tph IC (Liverpool Lime Street, Liverpool South Parkway, Warrington Central, Manchester Oxford Road, Manchester Piccadilly, Stockport, Sheffield, Chesterfield, Alfreton, Langley Mill, Ilkeston Nottingham)
Crewe-Nottingham 1tph Regional (Crewe, Alsager, Kidsgrove, Longport, Stoke-on-Trent, Longton, Uttoxeter, Derby, Long Eaton, Beeston, Nottingham)
Manchester Piccadilly-Derby 1tph (Manchester Piccadilly, Stockport, Sandbach, Crewe, Alsager, Kidsgrove, Stoke-on-Trent, Longton, Blythe Bridge, Uttoxeter, Tutbury and Hatton, Peartree, Derby)
Leicester-Kettering 1tph (Leicester, Syston, Melton Mowbray, Oakham, Corby, Kettering)
Nuneaton-Peterborough 1tph (Nuneaton, Hinckley, Narborough, South Wigston, Leicester, Syston, Melton Mowbray, Oakham, Stamford, Peterborough)
Leicester-Birmingham New Street 1tph (Leicester, South Wigston, Narborough, Hinckley, Nuneaton, Coleshill Parkway, Water Orton, Birmingham New Street)
Leicester-Grantham 1tph (Leicester, Syston, Barrow-upon-Soar, Loughborough, East Midlands Parkway, Attenborough, Beeston, Nottingham, Radcliffe, Bingham, Elton and Orston, Bottesford, Grantham)
Leicester-Chesterfield 1tph (Leicester, Syston, Barrow-upon-Soar, Loughborough, Eat Midlands Parkway, Ilkeston, Langley Mill, Alfreton, Chesterfield)
Nottingham-Cleethorpes 1tph (Nottingham, Carlton, Burton Joyce, Lowdham, Thurgarton, Bleasby, Fiskerton, Rolleston, Newark Castle, Collingham, Swinderby, Hykeham, Lincoln, Market Rasen, Barnetby, Grimsby Town, Grimsby Docks, New Clee, Cleethorpes)
Nottingham-Worksop 2tph (Nottingham, Bulwell, Hucknall, Newstead, Kirkby-in-Ashfield, Sutton Parkway, Mansfield, Mansfield Woodhouse, Shirebrook, Langwith-Whaley Thorns, Creswell, Whitwell, Worksop)
Nottingham-Derby 1tph (Nottingham, Beeston, Attenborough, Long Eaton, Spondon, Derby)
Nottingham-Matlock 1tph (Nottingham, Beeston, Attenborough, Long Eaton, Spondon, Derby, Duffield, Belper, Ambergate, Whatstandwell, Cromford, Matlock Bath, Matlock)
Nottingham-Skegness 1tph (Nottingham, Radcliffe, Ancaster, Rauceby, Sleaford, Heckington, Swineshead, Hubberts Bridge, Boston, Thorpe Culvert, Wainfleet, Havenhouse, Skegness)
Birmingham New Street-Sheffield 1tph (Birmingham New Street, Water Orton, Wilencote, Tamworth, Burton-on-Trent, Willington, Peartree, Derby, Duffield, Belper, Chesterfield, Dronfield, Sheffield)
Derby-Nuneaton 1tph (Derby, Spondon, Long Eaton, East Midlands Parkway, Loughborough, Barrow-upon-Soar, Syston, Leicester, South Wigston, Narborough, Hinckley, Nuneaton)
Peterborough-Doncaster 1tph (Peterborough, Spalding, Sleaford, Ruskington, Metheringham, Lincoln, Saxilby, Gainsborough Lea Road, Doncaster)
Lincoln-Chesterfield 1tph (Lincoln, Hykeham, Collingham, Newark Castle, Rolleston, Lowdham, Burton Joyce, Carlton, Nottingham, Ilkeston, Langley Mill, Alfreton, Chesterfield)
Sheffield-Cleethorpes 1tph (Sheffield, Woodhouse, Darnall, Kiverton Bridge, Kiverton Park, Shireoaks, Worksop, Retford, Gainsborough Central, Kirton Lindsey, Brigg, Barnetby, Grimsby Town, Grimsby Docks, New Clee, Cleethorpes)
Sheffield-Peterborough 1tph (Sheffield, Woodhouse, Darnall, Kiverton Bridge, Kiverton Park, Shireoaks, Worksop, Retford, Gainsborough Lea Road, Saxilby, Lincoln, Metheringham, Ruskington, Sleaford, Spalding, Peterborough)
Of course there is area crossover with Northern, West Midlands and Greater Anglia. And this is a pretty beefy regional service pattern