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ALAMEDA, CA - Oakland Raiders coach Dennis Allen delivered a clear message during his first time officially meeting with his new players.

Being the biggest and fastest team was no longer good enough.

Knowing how to play football the right way is now paramount.

The Raiders began their first offseason program under Allen on Monday. Allen was brought in by new general manager Reggie McKenzie in January as part of a major culture change in Oakland.

After being run one way for decades by late owner Al Davis, things will be different under the new regime.

The biggest changes will come on defense, where despite keeping a 4-3 base alignment, new linebacker Philip Wheeler said the coaches promised a lot more blitzing and variety than Oakland had used in the past.