<TABLE> <S> <C>
<ARTICLE> 6
<LEGEND>
This schedule contains summary financial information
extracted from MML
form N-SAR for the period ended June 30, 2000
and is qualified in its entirety by reference to
such financial statements.
</LEGEND>
<SERIES>
<NUMBER> 2
<NAME> MML Money Market Fund
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-END> JUN-30-2000
<INVESTMENTS-AT-COST> 181,570,068
<INVESTMENTS-AT-VALUE> 181,570,068
<RECEIVABLES> 792
<ASSETS-OTHER> 639
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 181,571,499
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 1,045,972
<TOTAL-LIABILITIES> 1,045,972
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 180,523,437
<SHARES-COMMON-STOCK> 180,525,527
<SHARES-COMMON-PRIOR> 200,569,911
<ACCUMULATED-NII-CURRENT> 16,538
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (14,448)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 180,525,527
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 5,850,581
<OTHER-INCOME> 0
<EXPENSES-NET> 485,354
<NET-INVESTMENT-INCOME> 5,365,227
<REALIZED-GAINS-CURRENT> 0
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 5,365,227
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> 5,365,227
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 90,620,632
<NUMBER-OF-SHARES-REDEEMED> 115,956,410
<SHARES-REINVESTED> 5,291,394
<NET-CHANGE-IN-ASSETS> (20,044,384)
<ACCUMULATED-NII-PRIOR> 16,538
<ACCUMULATED-GAINS-PRIOR> (14,448)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 456,229
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 485,354
<AVERAGE-NET-ASSETS> 192,771,645
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> 0.03
<PER-SHARE-GAIN-APPREC> 0.00
<PER-SHARE-DIVIDEND> (0.03)
<PER-SHARE-DISTRIBUTIONS> 0.00
<RETURNS-OF-CAPITAL> 0.00
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> 0.51
</TABLE>
