The 10-yard scoring strike capped a 320-yard, two-TD performance from Fitzpatrick as the Titans (5-6) snapped a two-game losing streak.
Tennessee's Justin Hunter made six catches with a score for 109 yards and Wright finished with six grabs for 103 yards.
Rob Bironas went 3-for-3 on field-goal tries.
The Raiders (4-7) fell as Matt McGloin made good on 19-of-32 passes for 260 yards, a touchdown and an interception.
Sebastian Janikowski kicked four field goals.
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