SYLHET: Pakistan will have to chase a daunting target of 437 on Day 4 after Mushfiqur Rahim played a career-defining knock to steer Bangladesh to 390 all out on the third day of the second Test at the Sylhet International Cricket Stadium on Monday. Play was called off early on Day 3 because of poor light with Pakistan 0-0 after just two overs of their fourth-innings chase before the umpires called stumps. But the day was for Mushfiqur, who hit a record 14th Test century, the most for any Bangladesh batter, before ending with a splendid 137 off 233 balls,…