Top MLB prop picks September 5: Mookie Betts is still worth backing

Labour Day is an off-day for many North Americans. More than two-thirds of big league teams are in action on the holiday.

Mookie Betts is on fire and facing a familiar pitcher tonight. Jose Altuve and Martin Perez are good bets in the Astros/Rangers game.

Betts is playing against Giants starter Logan Webb tonight. He is 8-for-17 with a double and a walk against him in 18 games. Betts is batting .353 with .569 slugging percentage against changeups this year. He has a .355/.406/.823 slash line over his past 15 starts.

Perez over 3.5 Ks + over 17. 5 outs is a mini parlay with the Astros. Perez has cleared 17 outs in 20 of his past 24 starts (83.3%) and four or more strikeouts in 23 of those. Two of Perez's four starts against Houston this year have fallen under the outs line.

Altuve has a .808 OPS against Perez in 58 career plate appearances. In his past 27 starts, Altuve has posted a. 349/.427/.587 slash line and collected multiple bases 18 times. He has 10 hits in his last five games.